[iOS] Add chrome://flags entry to enable password sharing

Bug: 1298608
Change-Id: Ice1d0f2adcc1eaab0755f56ffeba520f6eaec2fe
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4974610
Commit-Queue: Rafał Godlewski <rgod@google.com>
Reviewed-by: Mohamed Amir Yosef <mamir@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1214871}

chrome/browser/flag-metadata.json

@@ -6193,7 +6193,7 @@
   },
   {
     "name": "password-sharing",
-    "owners": ["mamir@chromium.org", "chrome-password-manager-team@google.com"],
+    "owners": ["mamir@chromium.org", "rgod@google.com", "chrome-password-manager-team@google.com"],
     "expiry_milestone": 125
   },
   {

ios/chrome/browser/flags/about_flags.mm

@@ -679,6 +679,16 @@
      std::size(kOmniboxInspireMeWith20Total10Trends), "t3363285"},
 };
 
+const FeatureEntry::Choice kEnablePasswordSharingChoices[] = {
+    {"Default", "", ""},
+    {"Bootstraping Only", switches::kEnableFeatures,
+     "SharingOfferKeyPairBootstrap"},
+    {"Enabled", switches::kEnableFeatures,
+     "SharingOfferKeyPairBootstrap,SendPasswords,"
+     "PasswordManagerEnableSenderService,"
+     "PasswordManagerEnableReceiverService,SharedPasswordNotificationUI"},
+};
+
 // To add a new entry, add to the end of kFeatureEntries. There are four
 // distinct types of entries:
 // . ENABLE_DISABLE_VALUE: entry is either enabled, disabled, or uses the
@@ -1587,6 +1597,9 @@
     {"enable-save-to-drive", flag_descriptions::kIOSSaveToDriveName,
      flag_descriptions::kIOSSaveToDriveDescription, flags_ui::kOsIos,
      FEATURE_VALUE_TYPE(kIOSSaveToDrive)},
+    {"password-sharing", flag_descriptions::kPasswordSharingName,
+     flag_descriptions::kPasswordSharingDescription, flags_ui::kOsIos,
+     MULTI_VALUE_TYPE(kEnablePasswordSharingChoices)},
 };
 
 bool SkipConditionalFeatureEntry(const flags_ui::FeatureEntry& entry) {

ios/chrome/browser/flags/ios_chrome_flag_descriptions.cc

@@ -854,6 +854,10 @@ const char kPasswordReuseDetectionDescription[] =
     "Displays warning when user types or pastes a saved password into a "
     "phishing website.";
 
+const char kPasswordSharingName[] = "Enables password sharing";
+const char kPasswordSharingDescription[] =
+    "Enables password sharing between members of the same family.";
+
 const char kPostRestoreDefaultBrowserPromoName[] =
     "Post Restore Default Browser Promo";
 const char kPostRestoreDefaultBrowserPromoDescription[] =

ios/chrome/browser/flags/ios_chrome_flag_descriptions.h

@@ -750,6 +750,11 @@ extern const char kUseAnnotationsForLanguageDetectionDescription[];
 extern const char kPasswordReuseDetectionName[];
 extern const char kPasswordReuseDetectionDescription[];
 
+// Title and description for the flag to enable password sharing between the
+// members of the same family.
+extern const char kPasswordSharingName[];
+extern const char kPasswordSharingDescription[];
+
 // Title and description for the flag to enable the post restore default browser
 // promo.
 extern const char kPostRestoreDefaultBrowserPromoName[];