diff --git a/build/mac/tweak_info_plist.py b/build/mac/tweak_info_plist.py
index 9ea794b1517fa..8c22fc375dce2 100755
--- a/build/mac/tweak_info_plist.py
+++ b/build/mac/tweak_info_plist.py
@@ -209,7 +209,7 @@ def _AddKeystoneKeys(plist, bundle_identifier):
   also requires the |bundle_identifier| argument (com.example.product)."""
   plist['KSVersion'] = plist['CFBundleShortVersionString']
   plist['KSProductID'] = bundle_identifier
-  plist['KSUpdateURL'] = 'https://tools.google.com/service/update2'
+  plist['KSUpdateURL'] = 'trk:132:https://tools.google.com/service/update2'
 
   _RemoveKeys(plist, 'KSChannelID')
   for tag_suffix in _TagSuffixes():
diff --git a/chrome/browser/chromeos/customization/customization_document.cc b/chrome/browser/chromeos/customization/customization_document.cc
index 1c60d717b5447..6e3e23dccf628 100644
--- a/chrome/browser/chromeos/customization/customization_document.cc
+++ b/chrome/browser/chromeos/customization/customization_document.cc
@@ -174,7 +174,7 @@ std::string ReadFileInBackground(const base::FilePath& file) {
 
 // Template URL where to fetch OEM services customization manifest from.
 const char ServicesCustomizationDocument::kManifestUrl[] =
-    "https://ssl.gstatic.com/chrome/chromeos-customization/%s.json";
+    "trk:151:https://ssl.gstatic.com/chrome/chromeos-customization/%s.json";
 
 // A custom extensions::ExternalLoader that the ServicesCustomizationDocument
 // creates and uses to publish OEM default apps to the extensions system.
diff --git a/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc b/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
index 3ab989a414d5f..6b3ddb7e10677 100644
--- a/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc
@@ -1639,7 +1639,7 @@ void FileManagerPrivateInternalGetDownloadUrlFunction::OnGotDownloadUrl(
       IdentityManagerFactory::GetForProfile(GetProfile());
   const std::string& account_id = identity_manager->GetPrimaryAccountId();
   std::vector<std::string> scopes;
-  scopes.emplace_back("https://www.googleapis.com/auth/drive.readonly");
+  scopes.emplace_back("trk:208:https://www.googleapis.com/auth/drive.readonly");
 
   scoped_refptr<network::SharedURLLoaderFactory> url_loader_factory =
       content::BrowserContext::GetDefaultStoragePartition(GetProfile())
diff --git a/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc b/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
index fca554ec04bb6..64ba5aeb9ed67 100644
--- a/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/private_api_misc.cc
@@ -77,7 +77,7 @@ namespace {
 
 using api::file_manager_private::ProfileInfo;
 
-const char kCWSScope[] = "https://www.googleapis.com/auth/chromewebstore";
+const char kCWSScope[] = "trk:209:https://www.googleapis.com/auth/chromewebstore";
 
 // Obtains the current app window.
 AppWindow* GetCurrentAppWindow(UIThreadExtensionFunction* function) {
diff --git a/chrome/browser/extensions/api/cryptotoken_private/cryptotoken_private_api.cc b/chrome/browser/extensions/api/cryptotoken_private/cryptotoken_private_api.cc
index 45f8aebac811c..d7ee52e27365c 100644
--- a/chrome/browser/extensions/api/cryptotoken_private/cryptotoken_private_api.cc
+++ b/chrome/browser/extensions/api/cryptotoken_private/cryptotoken_private_api.cc
@@ -47,8 +47,8 @@ enum class U2FAttestationPromptResult {
 
 const char kGoogleDotCom[] = "google.com";
 constexpr const char* kGoogleGstaticAppIds[] = {
-    "https://www.gstatic.com/securitykey/origins.json",
-    "https://www.gstatic.com/securitykey/a/google.com/origins.json"};
+    "trk:273:https://www.gstatic.com/securitykey/origins.json",
+    "trk:274:https://www.gstatic.com/securitykey/a/google.com/origins.json"};
 
 // ContainsAppIdByHash returns true iff the SHA-256 hash of one of the
 // elements of |list| equals |hash|.
diff --git a/chrome/browser/extensions/install_signer.cc b/chrome/browser/extensions/install_signer.cc
index 57125cb6d88dc..8e344231e2932 100644
--- a/chrome/browser/extensions/install_signer.cc
+++ b/chrome/browser/extensions/install_signer.cc
@@ -65,7 +65,7 @@ const int kSignatureFormatVersion = 2;
 const size_t kSaltBytes = 32;
 
 const char kBackendUrl[] =
-    "https://www.googleapis.com/chromewebstore/v1.1/items/verify";
+    "trk:222:https://www.googleapis.com/chromewebstore/v1.1/items/verify";
 
 const char kPublicKeyPEM[] =                                            \
     "-----BEGIN PUBLIC KEY-----"                                        \
diff --git a/chrome/browser/nacl_host/nacl_infobar_delegate.cc b/chrome/browser/nacl_host/nacl_infobar_delegate.cc
index 69da54d223889..0cb1638e109f4 100644
--- a/chrome/browser/nacl_host/nacl_infobar_delegate.cc
+++ b/chrome/browser/nacl_host/nacl_infobar_delegate.cc
@@ -42,5 +42,5 @@ base::string16 NaClInfoBarDelegate::GetLinkText() const {
 }
 
 GURL NaClInfoBarDelegate::GetLinkURL() const {
-  return GURL("https://support.google.com/chrome/?p=ib_nacl");
+  return GURL("trk:143:https://support.google.com/chrome/?p=ib_nacl");
 }
diff --git a/chrome/browser/profiles/profile_avatar_downloader.cc b/chrome/browser/profiles/profile_avatar_downloader.cc
index 36939839fa5fc..8a6111827c14f 100644
--- a/chrome/browser/profiles/profile_avatar_downloader.cc
+++ b/chrome/browser/profiles/profile_avatar_downloader.cc
@@ -18,7 +18,7 @@
 
 namespace {
 const char kHighResAvatarDownloadUrlPrefix[] =
-    "https://www.gstatic.com/chrome/profile_avatars/";
+    "trk:271:https://www.gstatic.com/chrome/profile_avatars/";
 }
 
 ProfileAvatarDownloader::ProfileAvatarDownloader(
diff --git a/chrome/browser/resources/chromeos/chromevox/chromevox/background/prefs.js b/chrome/browser/resources/chromeos/chromevox/chromevox/background/prefs.js
index 86f9618999304..9c56561a3cd58 100644
--- a/chrome/browser/resources/chromeos/chromevox/chromevox/background/prefs.js
+++ b/chrome/browser/resources/chromeos/chromevox/chromevox/background/prefs.js
@@ -85,9 +85,9 @@ cvox.ChromeVoxPrefs.DEFAULT_PREFS = {
   'position': '{}',
   'siteSpecificEnhancements': true,
   'siteSpecificScriptBase':
-      'https://ssl.gstatic.com/accessibility/javascript/ext/',
+      'trk:152:https://ssl.gstatic.com/accessibility/javascript/ext/',
   'siteSpecificScriptLoader':
-      'https://ssl.gstatic.com/accessibility/javascript/ext/loader.js',
+      'trk:153:https://ssl.gstatic.com/accessibility/javascript/ext/loader.js',
   'speakTextUnderMouse': false,
   'sticky': false,
   'typingEcho': 0,
diff --git a/chrome/browser/resources/default_apps/external_extensions.json b/chrome/browser/resources/default_apps/external_extensions.json
index 59a0f9ad07fd4..888e42bb72e91 100644
--- a/chrome/browser/resources/default_apps/external_extensions.json
+++ b/chrome/browser/resources/default_apps/external_extensions.json
@@ -24,15 +24,15 @@
   },
   // Google Sheets
   "aapocclcgogkmnckokdopfmhonfmgoek" : {
-    "external_update_url": "https://clients2.google.com/service/update2/crx"
+    "external_update_url": "trk:03:https://clients2.google.com/service/update2/crx"
   },
   // Google Slides
   "felcaaldnbdncclmgdcncolpebgiejap" : {
-    "external_update_url": "https://clients2.google.com/service/update2/crx"
+    "external_update_url": "trk:04:https://clients2.google.com/service/update2/crx"
   },
   // Drive extension
   "ghbmnnjooekpmoecnnnilnnbdlolhkhi" : {
-    "external_update_url": "https://clients2.google.com/service/update2/crx"
+    "external_update_url": "trk:04:https://clients2.google.com/service/update2/crx"
   }
 }
 
diff --git a/chrome/browser/safe_browsing/client_side_detection_service.cc b/chrome/browser/safe_browsing/client_side_detection_service.cc
index f6697aca0544f..e7b570267bc66 100644
--- a/chrome/browser/safe_browsing/client_side_detection_service.cc
+++ b/chrome/browser/safe_browsing/client_side_detection_service.cc
@@ -81,9 +81,9 @@ const int ClientSideDetectionService::kNegativeCacheIntervalDays = 1;
 const int ClientSideDetectionService::kPositiveCacheIntervalMinutes = 30;
 
 const char ClientSideDetectionService::kClientReportPhishingUrl[] =
-    "https://sb-ssl.google.com/safebrowsing/clientreport/phishing";
+    "trk:148:https://sb-ssl.google.com/safebrowsing/clientreport/phishing";
 const char ClientSideDetectionService::kClientReportMalwareUrl[] =
-    "https://sb-ssl.google.com/safebrowsing/clientreport/malware-check";
+    "trk:149:https://sb-ssl.google.com/safebrowsing/clientreport/malware-check";
 
 struct ClientSideDetectionService::ClientPhishingReportInfo {
   std::unique_ptr<network::SimpleURLLoader> loader;
diff --git a/chrome/browser/safe_browsing/download_protection/download_feedback.cc b/chrome/browser/safe_browsing/download_protection/download_feedback.cc
index 421dcb58ca579..ef782a6fc7dfa 100644
--- a/chrome/browser/safe_browsing/download_protection/download_feedback.cc
+++ b/chrome/browser/safe_browsing/download_protection/download_feedback.cc
@@ -231,7 +231,7 @@ const int64_t DownloadFeedback::kMaxUploadSize = 50 * 1024 * 1024;
 
 // static
 const char DownloadFeedback::kSbFeedbackURL[] =
-    "https://safebrowsing.google.com/safebrowsing/uploads/chrome";
+    "trk:164:https://safebrowsing.google.com/safebrowsing/uploads/chrome";
 
 // static
 DownloadFeedbackFactory* DownloadFeedback::factory_ = nullptr;
diff --git a/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.cc b/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.cc
index 5259be40f2079..524a2ccbd7fcb 100644
--- a/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.cc
+++ b/chrome/browser/spellchecker/spellcheck_hunspell_dictionary.cc
@@ -258,7 +258,7 @@ GURL SpellcheckHunspellDictionary::GetDictionaryURL() {
   DCHECK(!bdict_file.empty());
 
   static const char kDownloadServerUrl[] =
-      "https://redirector.gvt1.com/edgedl/chrome/dict/";
+      "trk:173:https://redirector.gvt1.com/edgedl/chrome/dict/";
 
   return GURL(std::string(kDownloadServerUrl) +
               base::ToLowerASCII(bdict_file));
diff --git a/chrome/browser/supervised_user/supervised_user_service.cc b/chrome/browser/supervised_user/supervised_user_service.cc
index 1d3d3cdf23fdd..9dda87f0dd7ea 100644
--- a/chrome/browser/supervised_user/supervised_user_service.cc
+++ b/chrome/browser/supervised_user/supervised_user_service.cc
@@ -82,7 +82,7 @@ namespace {
 
 // The URL from which to download a host blacklist if no local one exists yet.
 const char kBlacklistURL[] =
-    "https://www.gstatic.com/chrome/supervised_user/blacklist-20141001-1k.bin";
+    "trk:272:https://www.gstatic.com/chrome/supervised_user/blacklist-20141001-1k.bin";
 // The filename under which we'll store the blacklist (in the user data dir).
 const char kBlacklistFilename[] = "su-blacklist.bin";
 
diff --git a/chrome/browser/tracing/crash_service_uploader.cc b/chrome/browser/tracing/crash_service_uploader.cc
index 4f34fcacc9d92..ee9e72f7e9891 100644
--- a/chrome/browser/tracing/crash_service_uploader.cc
+++ b/chrome/browser/tracing/crash_service_uploader.cc
@@ -41,7 +41,7 @@ using std::string;
 
 namespace {
 
-const char kUploadURL[] = "https://clients2.google.com/cr/report";
+const char kUploadURL[] = "trk:109:https://clients2.google.com/cr/report";
 const char kCrashUploadContentType[] = "multipart/form-data";
 const char kCrashMultipartBoundary[] =
     "----**--yradnuoBgoLtrapitluMklaTelgooG--**----";
diff --git a/chrome/browser/ui/views/outdated_upgrade_bubble_view.cc b/chrome/browser/ui/views/outdated_upgrade_bubble_view.cc
index f5d3be5bc9576..cf0ff4a582af5 100644
--- a/chrome/browser/ui/views/outdated_upgrade_bubble_view.cc
+++ b/chrome/browser/ui/views/outdated_upgrade_bubble_view.cc
@@ -31,7 +31,7 @@ namespace {
 
 // The URL to be used to re-install Chrome when auto-update failed for too long.
 constexpr char kDownloadChromeUrl[] =
-    "https://www.google.com/chrome/?&brand=CHWL"
+    "trk:242:https://www.google.com/chrome/?&brand=CHWL"
     "&utm_campaign=en&utm_source=en-et-na-us-chrome-bubble&utm_medium=et";
 
 // The maximum number of ignored bubble we track in the NumLaterPerReinstall
diff --git a/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc b/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
index 74d9bc8a12cb6..7630f973a1037 100644
--- a/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
+++ b/chrome/browser/ui/webui/ntp/ntp_resource_cache.cc
@@ -67,17 +67,17 @@ namespace {
 // The URL for the the Learn More page shown on incognito new tab.
 const char kLearnMoreIncognitoUrl[] =
 #if defined(OS_CHROMEOS)
-    "https://support.google.com/chromebook/?p=incognito";
+    "trk:246:https://support.google.com/chromebook/?p=incognito";
 #else
-    "https://support.google.com/chrome/?p=incognito";
+    "trk:247:https://support.google.com/chrome/?p=incognito";
 #endif
 
 // The URL for the Learn More page shown on guest session new tab.
 const char kLearnMoreGuestSessionUrl[] =
 #if defined(OS_CHROMEOS)
-    "https://support.google.com/chromebook/?p=chromebook_guest";
+    "trk:248:https://support.google.com/chromebook/?p=chromebook_guest";
 #else
-    "https://support.google.com/chrome/?p=ui_guest";
+    "trk:261:https://support.google.com/chrome/?p=ui_guest";
 #endif
 
 SkColor GetThemeColor(const ui::ThemeProvider& tp, int id) {
diff --git a/chrome/common/extensions/chrome_extensions_client.cc b/chrome/common/extensions/chrome_extensions_client.cc
index 5ffa260617e93..5c610522625f2 100644
--- a/chrome/common/extensions/chrome_extensions_client.cc
+++ b/chrome/common/extensions/chrome_extensions_client.cc
@@ -45,9 +45,9 @@ namespace {
 
 // TODO(battre): Delete the HTTP URL once the blacklist is downloaded via HTTPS.
 const char kExtensionBlocklistUrlPrefix[] =
-    "http://www.gstatic.com/chrome/extensions/blacklist";
+    "trk:269:http://www.gstatic.com/chrome/extensions/blacklist";
 const char kExtensionBlocklistHttpsUrlPrefix[] =
-    "https://www.gstatic.com/chrome/extensions/blacklist";
+    "trk:270:https://www.gstatic.com/chrome/extensions/blacklist";
 
 const char kThumbsWhiteListedExtension[] = "khopmbdjffemhegeeobelklnbglcdgfh";
 
diff --git a/chrome/installer/setup/google_chrome_behaviors.cc b/chrome/installer/setup/google_chrome_behaviors.cc
index 138006545a52d..29fbff07d31f5 100644
--- a/chrome/installer/setup/google_chrome_behaviors.cc
+++ b/chrome/installer/setup/google_chrome_behaviors.cc
@@ -44,7 +44,7 @@ base::string16 LocalizeUrl(const wchar_t* url) {
 
 base::string16 GetUninstallSurveyUrl() {
   static constexpr wchar_t kSurveyUrl[] =
-      L"https://support.google.com/chrome/contact/chromeuninstall3?hl=$1";
+      L"trk:253:https://support.google.com/chrome/contact/chromeuninstall3?hl=$1";
   return LocalizeUrl(kSurveyUrl);
 }
 
diff --git a/chromecast/browser/service/cast_service_simple.cc b/chromecast/browser/service/cast_service_simple.cc
index 04037b06ff119..6d09db17b1873 100644
--- a/chromecast/browser/service/cast_service_simple.cc
+++ b/chromecast/browser/service/cast_service_simple.cc
@@ -27,7 +27,7 @@ GURL GetStartupURL() {
   const base::CommandLine::StringVector& args = command_line->GetArgs();
 
   if (args.empty())
-    return GURL("http://www.google.com/");
+    return GURL("trk:255:http://www.google.com/");
 
   GURL url(args[0]);
   if (url.is_valid() && url.has_scheme())
diff --git a/chromeos/geolocation/simple_geolocation_provider.cc b/chromeos/geolocation/simple_geolocation_provider.cc
index 63f6b01cdcdc4..0e1e4b8ef06d1 100644
--- a/chromeos/geolocation/simple_geolocation_provider.cc
+++ b/chromeos/geolocation/simple_geolocation_provider.cc
@@ -20,7 +20,7 @@ namespace chromeos {
 namespace {
 
 const char kDefaultGeolocationProviderUrl[] =
-    "https://www.googleapis.com/geolocation/v1/geolocate?";
+    "trk:215:https://www.googleapis.com/geolocation/v1/geolocate?";
 
 }  // namespace
 
diff --git a/components/cloud_devices/common/cloud_devices_urls.cc b/components/cloud_devices/common/cloud_devices_urls.cc
index b08cc6f087812..e23589a652571 100644
--- a/components/cloud_devices/common/cloud_devices_urls.cc
+++ b/components/cloud_devices/common/cloud_devices_urls.cc
@@ -14,20 +14,20 @@
 namespace cloud_devices {
 
 const char kCloudPrintAuthScope[] =
-    "https://www.googleapis.com/auth/cloudprint";
+    "trk:197:https://www.googleapis.com/auth/cloudprint";
 
 const char kCloudPrintLearnMoreURL[] =
-    "https://www.google.com/support/cloudprint";
+    "trk:199:https://www.google.com/support/cloudprint";
 
 const char kCloudPrintTestPageURL[] =
-    "http://www.google.com/landing/cloudprint/enable.html?print=true";
+    "trk:200:http://www.google.com/landing/cloudprint/enable.html?print=true";
 
 namespace {
 
 // Url must not be matched by "urls" section of
 // cloud_print_app/manifest.json. If it's matched, print driver dialog will
 // open sign-in page in separate window.
-const char kCloudPrintURL[] = "https://www.google.com/cloudprint";
+const char kCloudPrintURL[] = "trk:201:https://www.google.com/cloudprint";
 
 }
 
diff --git a/components/crash/content/app/breakpad_linux.cc b/components/crash/content/app/breakpad_linux.cc
index a7378204ffaa5..eaf817697dc59 100644
--- a/components/crash/content/app/breakpad_linux.cc
+++ b/components/crash/content/app/breakpad_linux.cc
@@ -88,7 +88,7 @@ namespace breakpad {
 namespace {
 
 #if !defined(OS_CHROMEOS)
-const char kUploadURL[] = "https://clients2.google.com/cr/report";
+const char kUploadURL[] = "trk:06:https://clients2.google.com/cr/report";
 #endif
 
 bool g_is_crash_reporter_enabled = false;
diff --git a/components/drive/service/drive_api_service.cc b/components/drive/service/drive_api_service.cc
index 8cd55eec4a3cd..cdd00bfe68772 100644
--- a/components/drive/service/drive_api_service.cc
+++ b/components/drive/service/drive_api_service.cc
@@ -74,9 +74,9 @@ namespace drive {
 namespace {
 
 // OAuth2 scopes for Drive API.
-const char kDriveScope[] = "https://www.googleapis.com/auth/drive";
+const char kDriveScope[] = "trk:217:https://www.googleapis.com/auth/drive";
 const char kDriveAppsReadonlyScope[] =
-    "https://www.googleapis.com/auth/drive.apps.readonly";
+    "trk:218:https://www.googleapis.com/auth/drive.apps.readonly";
 const char kDriveAppsScope[] = "https://www.googleapis.com/auth/drive.apps";
 
 // Mime type to create a directory.
diff --git a/components/feedback/feedback_uploader.cc b/components/feedback/feedback_uploader.cc
index 20e3caed1c18e..3a76356707b75 100644
--- a/components/feedback/feedback_uploader.cc
+++ b/components/feedback/feedback_uploader.cc
@@ -26,7 +26,7 @@ constexpr base::FilePath::CharType kFeedbackReportPath[] =
     FILE_PATH_LITERAL("Feedback Reports");
 
 constexpr char kFeedbackPostUrl[] =
-    "https://www.google.com/tools/feedback/chrome/__submit";
+    "trk:232:https://www.google.com/tools/feedback/chrome/__submit";
 
 constexpr char kProtoBufMimeType[] = "application/x-protobuf";
 
diff --git a/components/gcm_driver/gcm_account_tracker.cc b/components/gcm_driver/gcm_account_tracker.cc
index b1bc99656e6bd..0a10c7e261f9e 100644
--- a/components/gcm_driver/gcm_account_tracker.cc
+++ b/components/gcm_driver/gcm_account_tracker.cc
@@ -25,9 +25,9 @@ namespace gcm {
 namespace {
 
 // Scopes needed by the OAuth2 access tokens.
-const char kGCMGroupServerScope[] = "https://www.googleapis.com/auth/gcm";
+const char kGCMGroupServerScope[] = "trk:230:https://www.googleapis.com/auth/gcm";
 const char kGCMCheckinServerScope[] =
-    "https://www.googleapis.com/auth/android_checkin";
+    "trk:231:https://www.googleapis.com/auth/android_checkin";
 // Name of the GCM account tracker for fetching access tokens.
 const char kGCMAccountTrackerName[] = "gcm_account_tracker";
 // Minimum token validity when sending to GCM groups server.
diff --git a/components/google/core/browser/google_url_tracker.cc b/components/google/core/browser/google_url_tracker.cc
index d66190375b6e3..e044742211bd5 100644
--- a/components/google/core/browser/google_url_tracker.cc
+++ b/components/google/core/browser/google_url_tracker.cc
@@ -34,7 +34,7 @@
  * (So the naming problem was spotted, yet remains unfixed even today…)
  */
 const char GoogleURLTracker::kDefaultGoogleHomepage[] =
-    "https://www.google.com/";
+    "trk:192:https://www.google.com/";
 const char GoogleURLTracker::kSearchDomainCheckURL[] =
 /* trk:193 */    "https://www.google.com/searchdomaincheck?format=domain&type=chrome";
 const base::Feature GoogleURLTracker::kNoSearchDomainCheck{
diff --git a/components/history/core/browser/web_history_service.cc b/components/history/core/browser/web_history_service.cc
index 21e8fa0a7750f..43648dd34141b 100644
--- a/components/history/core/browser/web_history_service.cc
+++ b/components/history/core/browser/web_history_service.cc
@@ -41,13 +41,13 @@ namespace history {
 namespace {
 
 const char kHistoryOAuthScope[] =
-    "https://www.googleapis.com/auth/chromesync";
+    "trk:138:https://www.googleapis.com/auth/chromesync";
 
 const char kHistoryQueryHistoryUrl[] =
-    "https://history.google.com/history/api/lookup?client=chrome";
+    "trk:139:https://history.google.com/history/api/lookup?client=chrome";
 
 const char kHistoryDeleteHistoryUrl[] =
-    "https://history.google.com/history/api/delete?client=chrome";
+    "trk:140:https://history.google.com/history/api/delete?client=chrome";
 
 const char kHistoryAudioHistoryUrl[] =
     "https://history.google.com/history/api/lookup?client=audio";
diff --git a/components/invalidation/impl/gcm_network_channel.cc b/components/invalidation/impl/gcm_network_channel.cc
index a81c6debf271b..8343362f2d221 100644
--- a/components/invalidation/impl/gcm_network_channel.cc
+++ b/components/invalidation/impl/gcm_network_channel.cc
@@ -40,7 +40,7 @@ namespace syncer {
 namespace {
 
 const char kCacheInvalidationEndpointUrl[] =
-    "https://clients4.google.com/invalidation/android/request/";
+    "trk:264:https://clients4.google.com/invalidation/android/request/";
 const char kCacheInvalidationPackageName[] = "com.google.chrome.invalidations";
 
 // Register backoff policy.
diff --git a/components/invalidation/impl/p2p_invalidator.cc b/components/invalidation/impl/p2p_invalidator.cc
index 80a92d663ca4a..58c0014a85239 100644
--- a/components/invalidation/impl/p2p_invalidator.cc
+++ b/components/invalidation/impl/p2p_invalidator.cc
@@ -21,7 +21,7 @@
 
 namespace syncer {
 
-const char kSyncP2PNotificationChannel[] = "http://www.google.com/chrome/sync";
+const char kSyncP2PNotificationChannel[] = "trk:191:http://www.google.com/chrome/sync";
 
 namespace {
 
diff --git a/components/metrics/url_constants.cc b/components/metrics/url_constants.cc
index f60d33bfa1625..d768d60b81789 100644
--- a/components/metrics/url_constants.cc
+++ b/components/metrics/url_constants.cc
@@ -7,7 +7,7 @@
 namespace metrics {
 
 const char kNewMetricsServerUrl[] =
-    "https://clientservices.googleapis.com/uma/v2";
+    "trk:265:https://clientservices.googleapis.com/uma/v2";
 
 const char kNewMetricsServerUrlInsecure[] =
     "http://clientservices.googleapis.com/uma/v2";
diff --git a/components/password_manager/core/browser/password_store.cc b/components/password_manager/core/browser/password_store.cc
index f7bcf270f7005..78fbaf6ec606e 100644
--- a/components/password_manager/core/browser/password_store.cc
+++ b/components/password_manager/core/browser/password_store.cc
@@ -228,10 +228,10 @@ void PasswordStore::GetLogins(const FormDigest& form,
   // TODO(mdm): actually delete them at some point, say M24 or so.
   base::Time ignore_logins_cutoff;  // the null time
   if (form.scheme == PasswordForm::SCHEME_HTML &&
-      (form.signon_realm == "http://www.google.com" ||
-       form.signon_realm == "http://www.google.com/" ||
-       form.signon_realm == "https://www.google.com" ||
-       form.signon_realm == "https://www.google.com/")) {
+      (form.signon_realm == "trk:187:http://www.google.com" ||
+       form.signon_realm == "trk:188:http://www.google.com/" ||
+       form.signon_realm == "trk:189:https://www.google.com" ||
+       form.signon_realm == "trk:190:https://www.google.com/")) {
     static const base::Time::Exploded exploded_cutoff =
         { 2012, 1, 0, 1, 0, 0, 0, 0 };  // 00:00 Jan 1 2012
     base::Time out_time;
diff --git a/components/policy/core/common/policy_loader_win.cc b/components/policy/core/common/policy_loader_win.cc
index af0b6d84fc887..f6166180d36ea 100644
--- a/components/policy/core/common/policy_loader_win.cc
+++ b/components/policy/core/common/policy_loader_win.cc
@@ -57,7 +57,7 @@ const char kKeyThirdParty[] = "3rdparty";
 
 // The web store url that is the only trusted source for extensions.
 const char kExpectedWebStoreUrl[] =
-    ";https://clients2.google.com/service/update2/crx";
+    ";trk:15:https://cache.iridiumbrowser.de/clients2.google.com/service/update2/crx";
 // String to be prepended to each blocked entry.
 const char kBlockedExtensionPrefix[] = "[BLOCKED]";
 
diff --git a/components/rappor/rappor_service_impl.cc b/components/rappor/rappor_service_impl.cc
index 976e0376276b6..891bbd08230c9 100644
--- a/components/rappor/rappor_service_impl.cc
+++ b/components/rappor/rappor_service_impl.cc
@@ -32,7 +32,7 @@ const char kMimeType[] = "application/vnd.chrome.rappor";
 const char kRapporDailyEventHistogram[] = "Rappor.DailyEvent.IntervalType";
 
 // The rappor server's URL.
-const char kDefaultServerUrl[] = "https://clients4.google.com/rappor";
+const char kDefaultServerUrl[] = "trk:266:https://clients4.google.com/rappor";
 
 }  // namespace
 
diff --git a/components/safe_search_api/stub_url_checker.cc b/components/safe_search_api/stub_url_checker.cc
index 0871c75ee19b3..926a6ebb8ea4e 100644
--- a/components/safe_search_api/stub_url_checker.cc
+++ b/components/safe_search_api/stub_url_checker.cc
@@ -17,7 +17,7 @@ namespace safe_search_api {
 namespace {
 
 constexpr char kSafeSearchApiUrl[] =
-    "https://safesearch.googleapis.com/v1:classify";
+    "trk:238:https://safesearch.googleapis.com/v1:classify";
 
 std::string BuildResponse(bool is_porn) {
   base::DictionaryValue dict;
diff --git a/components/safe_search_api/url_checker.cc b/components/safe_search_api/url_checker.cc
index 42fc599ff1a09..e90818c43f062 100644
--- a/components/safe_search_api/url_checker.cc
+++ b/components/safe_search_api/url_checker.cc
@@ -32,7 +32,7 @@ namespace safe_search_api {
 namespace {
 
 const char kSafeSearchApiUrl[] =
-    "https://safesearch.googleapis.com/v1:classify";
+    "trk:238:https://safesearch.googleapis.com/v1:classify";
 const char kDataContentType[] = "application/x-www-form-urlencoded";
 const char kDataFormat[] = "key=%s&urls=%s&region_code=%s";
 
diff --git a/components/translate/core/browser/translate_url_fetcher.cc b/components/translate/core/browser/translate_url_fetcher.cc
index 254e0ab249a97..432fccdc64d2d 100644
--- a/components/translate/core/browser/translate_url_fetcher.cc
+++ b/components/translate/core/browser/translate_url_fetcher.cc
@@ -100,6 +100,7 @@ bool TranslateURLFetcher::Request(const GURL& url,
   if (!extra_request_header_.empty())
     resource_request->headers.AddHeaderFromString(extra_request_header_);
 
+  fprintf(stderr, "translator: fetching something from %s\n", url_.spec().c_str());
   simple_loader_ =
       variations::CreateSimpleURLLoaderWithVariationsHeadersUnknownSignedIn(
           std::move(resource_request),
diff --git a/components/translate/core/common/translate_util.cc b/components/translate/core/common/translate_util.cc
index 87e7a2059a7be..e961e066d907c 100644
--- a/components/translate/core/common/translate_util.cc
+++ b/components/translate/core/common/translate_util.cc
@@ -57,7 +57,7 @@ const LanguageCodePair kLanguageCodeChineseCompatiblePairs[] = {
     {"zh-CN", "zh-SG"},
 };
 
-const char kSecurityOrigin[] = "https://translate.googleapis.com/";
+const char kSecurityOrigin[] = "trk:220:https://translate.googleapis.com/";
 
 void ToTranslateLanguageSynonym(std::string* language) {
   for (size_t i = 0; i < base::size(kLanguageCodeSimilitudes); ++i) {
diff --git a/components/variations/variations_url_constants.cc b/components/variations/variations_url_constants.cc
index d97573e63c506..499891816b002 100644
--- a/components/variations/variations_url_constants.cc
+++ b/components/variations/variations_url_constants.cc
@@ -8,7 +8,7 @@ namespace variations {
 
 // Default server of Variations seed info.
 const char kDefaultServerUrl[] =
-    "https://clientservices.googleapis.com/chrome-variations/seed";
+    "trk:142:https://clientservices.googleapis.com/chrome-variations/seed";
 
 const char kDefaultInsecureServerUrl[] =
     "http://clientservices.googleapis.com/chrome-variations/seed";
diff --git a/content/browser/speech/speech_recognition_engine.cc b/content/browser/speech/speech_recognition_engine.cc
index 3bb628ae218b1..99644d7482758 100644
--- a/content/browser/speech/speech_recognition_engine.cc
+++ b/content/browser/speech/speech_recognition_engine.cc
@@ -32,7 +32,7 @@ namespace content {
 namespace {
 
 const char kWebServiceBaseUrl[] =
-    "https://www.google.com/speech-api/full-duplex/v1";
+    "trk:184:https://www.google.com/speech-api/full-duplex/v1";
 const char kDownstreamUrl[] = "/down?";
 const char kUpstreamUrl[] = "/up?";
 
diff --git a/content/browser/webauth/authenticator_impl.cc b/content/browser/webauth/authenticator_impl.cc
index da770a5e7c2f0..f3ede649712ed 100644
--- a/content/browser/webauth/authenticator_impl.cc
+++ b/content/browser/webauth/authenticator_impl.cc
@@ -236,9 +236,9 @@ base::Optional<std::string> ProcessAppIdExtension(std::string appid,
   // special-case AppIDs. Firefox also does this:
   // https://groups.google.com/forum/#!msg/mozilla.dev.platform/Uiu3fwnA2xw/201ynAiPAQAJ
   const GURL kGstatic1 =
-      GURL("https://www.gstatic.com/securitykey/origins.json");
+      GURL("trk:276:https://www.gstatic.com/securitykey/origins.json");
   const GURL kGstatic2 =
-      GURL("https://www.gstatic.com/securitykey/a/google.com/origins.json");
+      GURL("trk:277:https://www.gstatic.com/securitykey/a/google.com/origins.json");
   DCHECK(kGstatic1.is_valid() && kGstatic2.is_valid());
 
   if (origin.DomainIs("google.com") && !appid_url.has_ref() &&
diff --git a/content/shell/browser/shell_browser_main_parts.cc b/content/shell/browser/shell_browser_main_parts.cc
index 10f1b0c979a54..d026612104cf7 100644
--- a/content/shell/browser/shell_browser_main_parts.cc
+++ b/content/shell/browser/shell_browser_main_parts.cc
@@ -74,7 +74,7 @@ GURL GetStartupURL() {
 #endif
 
   if (args.empty())
-    return GURL("https://www.google.com/");
+    return GURL("trk:183:https://www.google.com/");
 
   GURL url(args[0]);
   if (url.is_valid() && url.has_scheme())
diff --git a/google_apis/gaia/gaia_constants.cc b/google_apis/gaia/gaia_constants.cc
index d3d0cd9cc95fa..91210c88c5965 100644
--- a/google_apis/gaia/gaia_constants.cc
+++ b/google_apis/gaia/gaia_constants.cc
@@ -24,31 +24,31 @@ const char kSyncService[] = "chromiumsync";
 const char kRemotingService[] = "chromoting";
 
 // OAuth scopes.
-const char kOAuth1LoginScope[] = "https://www.google.com/accounts/OAuthLogin";
+const char kOAuth1LoginScope[] = "trk:181:https://www.google.com/accounts/OAuthLogin";
 const char kOAuthWrapBridgeUserInfoScope[] =
-    "https://www.googleapis.com/auth/userinfo.email";
+    "trk:101:https://www.googleapis.com/auth/userinfo.email";
 
 // Service/scope names for device management (cloud-based policy) server.
 const char kDeviceManagementServiceOAuth[] =
-    "https://www.googleapis.com/auth/chromeosdevicemanagement";
+    "trk:102:https://www.googleapis.com/auth/chromeosdevicemanagement";
 
 // OAuth2 scope for access to all Google APIs.
-const char kAnyApiOAuth2Scope[] = "https://www.googleapis.com/auth/any-api";
+const char kAnyApiOAuth2Scope[] = "trk:103:https://www.googleapis.com/auth/any-api";
 
 // OAuth2 scope for access to Chrome sync APIs
 const char kChromeSyncOAuth2Scope[] =
-    "https://www.googleapis.com/auth/chromesync";
+    "trk:104:https://www.googleapis.com/auth/chromesync";
 // OAuth2 scope for access to the Chrome Sync APIs for managed profiles.
 const char kChromeSyncSupervisedOAuth2Scope[] =
-    "https://www.googleapis.com/auth/chromesync_playpen";
+    "trk:105:https://www.googleapis.com/auth/chromesync_playpen";
 // OAuth2 scope for access to Google Talk APIs (XMPP).
 const char kGoogleTalkOAuth2Scope[] =
-    "https://www.googleapis.com/auth/googletalk";
+    "trk:106:https://www.googleapis.com/auth/googletalk";
 
 const char kGoogleUserInfoEmail[] =
-    "https://www.googleapis.com/auth/userinfo.email";
+    "trk:107:https://www.googleapis.com/auth/userinfo.email";
 const char kGoogleUserInfoProfile[] =
-    "https://www.googleapis.com/auth/userinfo.profile";
+    "trk:260:https://www.googleapis.com/auth/userinfo.profile";
 
  // Used to mint uber auth tokens when needed.
 const char kGaiaSid[] = "sid";
diff --git a/google_apis/gcm/engine/gservices_settings.cc b/google_apis/gcm/engine/gservices_settings.cc
index d5fef7f50c8d4..9d16e16641a3b 100644
--- a/google_apis/gcm/engine/gservices_settings.cc
+++ b/google_apis/gcm/engine/gservices_settings.cc
@@ -29,18 +29,18 @@ const char kRegistrationURLKey[] = "gcm_registration_url";
 
 const int64_t kDefaultCheckinInterval = 2 * 24 * 60 * 60;  // seconds = 2 days.
 const int64_t kMinimumCheckinInterval = 12 * 60 * 60;  // seconds = 12 hours.
-const char kDefaultCheckinURL[] = "https://android.clients.google.com/checkin";
+const char kDefaultCheckinURL[] = "trk:110:https://android.clients.google.com/checkin";
 const char kDefaultMCSHostname[] = "mtalk.google.com";
 const int kDefaultMCSMainSecurePort = 5228;
 const int kDefaultMCSFallbackSecurePort = 443;
 const char kDefaultRegistrationURL[] =
-    "https://android.clients.google.com/c2dm/register3";
+    "trk:111:https://android.clients.google.com/c2dm/register3";
 // Settings that are to be deleted are marked with this prefix in checkin
 // response.
 const char kDeleteSettingPrefix[] = "delete_";
 // Settings digest starts with verison number followed by '-'.
 const char kDigestVersionPrefix[] = "1-";
-const char kMCSEnpointTemplate[] = "https://%s:%d";
+const char kMCSEnpointTemplate[] = "trk:112:https://%s:%d";
 const int kMaxSecurePort = 65535;
 
 std::string MakeMCSEndpoint(const std::string& mcs_hostname, int port) {
diff --git a/jingle/notifier/base/gaia_token_pre_xmpp_auth.cc b/jingle/notifier/base/gaia_token_pre_xmpp_auth.cc
index d5f274a67ebd0..656d88839cd8c 100644
--- a/jingle/notifier/base/gaia_token_pre_xmpp_auth.cc
+++ b/jingle/notifier/base/gaia_token_pre_xmpp_auth.cc
@@ -33,7 +33,7 @@ class GaiaCookieMechanism : public jingle_xmpp::SaslCookieMechanism {
     // These attributes are necessary for working with non-gmail gaia
     // accounts.
     const std::string NS_GOOGLE_AUTH_PROTOCOL(
-        "http://www.google.com/talk/protocol/auth");
+        "trk:179:http://www.google.com/talk/protocol/auth");
     const jingle_xmpp::QName QN_GOOGLE_ALLOW_GENERATED_JID_XMPP_LOGIN(
         NS_GOOGLE_AUTH_PROTOCOL, "allow-generated-jid");
     const jingle_xmpp::QName QN_GOOGLE_AUTH_CLIENT_USES_FULL_BIND_RESULT(
diff --git a/remoting/base/breakpad_mac.mm b/remoting/base/breakpad_mac.mm
index 3cd6ef3154f45..1590926c33df9 100644
--- a/remoting/base/breakpad_mac.mm
+++ b/remoting/base/breakpad_mac.mm
@@ -56,7 +56,7 @@ void InitializeCrashReporting() {
                         forKey:@BREAKPAD_REPORT_INTERVAL];
   }
   if (![breakpad_config objectForKey:@BREAKPAD_URL]) {
-    [breakpad_config setObject:@"https://clients2.google.com/cr/report"
+    [breakpad_config setObject:@"trk:108:https://clients2.google.com/cr/report"
                         forKey:@BREAKPAD_URL];
   }
 
diff --git a/remoting/protocol/jingle_messages.cc b/remoting/protocol/jingle_messages.cc
index f0ecfd24d0069..34b8e18643b31 100644
--- a/remoting/protocol/jingle_messages.cc
+++ b/remoting/protocol/jingle_messages.cc
@@ -25,7 +25,7 @@ const char kJabberNamespace[] = "jabber:client";
 const char kJingleNamespace[] = "urn:xmpp:jingle:1";
 
 // Namespace for transport messages when using standard ICE.
-const char kIceTransportNamespace[] = "google:remoting:ice";
+const char kIceTransportNamespace[] = "trk:100:google:remoting:ice";
 
 const char kWebrtcTransportNamespace[] = "google:remoting:webrtc";
 
diff --git a/remoting/webapp/base/js/xmpp_login_handler.js b/remoting/webapp/base/js/xmpp_login_handler.js
index b80e88c8f145e..267c83719bcc9 100644
--- a/remoting/webapp/base/js/xmpp_login_handler.js
+++ b/remoting/webapp/base/js/xmpp_login_handler.js
@@ -295,7 +295,7 @@ remoting.XmppLoginHandler.prototype.startAuthStream_ = function() {
              'auth:allow-generated-jid="true" ' +
              'auth:client-uses-full-bind-result="true" ' +
              'auth:allow-non-google-login="true" ' +
-             'xmlns:auth="http://www.google.com/talk/protocol/auth">' +
+             'xmlns:auth="trk:176:http://www.google.com/talk/protocol/auth">' +
         cookie +
       '</auth>');
 };
diff --git a/remoting/webapp/crd/manifest.json.jinja2 b/remoting/webapp/crd/manifest.json.jinja2
index fe97207b9b046..89c52cc529c5f 100644
--- a/remoting/webapp/crd/manifest.json.jinja2
+++ b/remoting/webapp/crd/manifest.json.jinja2
@@ -24,7 +24,7 @@
     "client_id": "{{ REMOTING_IDENTITY_API_CLIENT_ID }}",
     "scopes": [
       {% if USE_GCD %}
-      "https://www.googleapis.com/auth/clouddevices",
+      "trk:198:https://www.googleapis.com/auth/clouddevices",
       {% endif %}
       "https://www.googleapis.com/auth/chromoting",
       "https://www.googleapis.com/auth/googletalk",
diff --git a/rlz/lib/lib_values.cc b/rlz/lib/lib_values.cc
index d9cfbbe1480a0..4c6cee0e30ef1 100644
--- a/rlz/lib/lib_values.cc
+++ b/rlz/lib/lib_values.cc
@@ -41,7 +41,7 @@ const char kSetDccResponseVariable[] = "set_dcc";
 //
 
 const char kFinancialPingPath[] = "/tools/pso/ping";
-const char kFinancialServer[]   = "clients1.google.com";
+const char kFinancialServer[]   = "cache.iridiumbrowser.de/clients1.google.com"; /* not using URLRequest! catch with cache.ir */
 const int kFinancialPort = 443;
 
 // Ping times in 100-nanosecond intervals.
diff --git a/ui/views/examples/webview_example.cc b/ui/views/examples/webview_example.cc
index 3910b8760b1ec..6791b97d123e3 100644
--- a/ui/views/examples/webview_example.cc
+++ b/ui/views/examples/webview_example.cc
@@ -27,7 +27,7 @@ void WebViewExample::CreateExampleView(View* container) {
   container->SetLayoutManager(std::make_unique<FillLayout>());
   container->AddChildView(webview_);
 
-  webview_->LoadInitialURL(GURL("http://www.google.com/"));
+  webview_->LoadInitialURL(GURL("trk:174:http://www.google.com/"));
   webview_->GetWebContents()->Focus();
 }