Adds autofill provider package name logging for WebView

This CL adds recognition for AwG, Samsung Pass and Last Pass.

(cherry picked from commit f126971)

Bug: 1448099
Low-Coverage-Reason: Only adding metrics
Change-Id: Id4400999014acf452823054ba1dd111ce3eca470
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4556886
Reviewed-by: Weilun Shi <sweilun@chromium.org>
Commit-Queue: Alex Mitra <alexmitra@chromium.org>
Reviewed-by: Colin Blundell <blundell@chromium.org>
Auto-Submit: Alex Mitra <alexmitra@chromium.org>
Reviewed-by: Peter Conn <peconn@chromium.org>
Cr-Original-Commit-Position: refs/heads/main@{#1148453}
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4567732
Cr-Commit-Position: refs/branch-heads/5790@{#140}
Cr-Branched-From: 1d71a33-refs/heads/main@{#1148114}

components/android_autofill/browser/java/src/org/chromium/components/autofill/AutofillManagerWrapper.java

@@ -91,6 +91,7 @@ public AutofillManagerWrapper(Context context) {
             if (componentName != null) {
                 mIsAwGCurrentAutofillService =
                         AWG_COMPONENT_NAME.equals(componentName.flattenToString());
+                AutofillProviderUMA.logCurrentProvider(componentName.getPackageName());
             } else {
                 mIsAwGCurrentAutofillService = false;
             }

components/android_autofill/browser/java/src/org/chromium/components/autofill/AutofillProviderUMA.java

@@ -95,6 +95,22 @@ public class AutofillProviderUMA {
     private static final long MAX_TIME_MILLIS = TimeUnit.SECONDS.toMillis(2);
     private static final int NUM_OF_BUCKETS = 50;
 
+    // The package name of the autofill provider.
+    // To add a new provider, add a String for the provider's package name and an int equal to
+    // AUTOFILL_PROVIDER_MAX for the provider then increment AUTOFILL_PROVIDER_MAX.
+    // Make sure to update tools/metrics/histograms/enums.xml with the new entry. Lastly, add a case
+    // to the switch statement in logCurrentProvider for that provider.
+    private static final String UMA_AUTOFILL_PROVIDER = "Autofill.WebView.Provider.PackageName";
+    private static final int AUTOFILL_PROVIDER_UNKNOWN = 0;
+    private static final String AWG_PACKAGE_NAME = "com.google.android.gms";
+    private static final int AUTOFILL_PROVIDER_AWG = 1;
+    private static final String SAMSUNG_PASS_PACKAGE_NAME =
+            "com.samsung.android.samsungpassautofill";
+    private static final int AUTOFILL_PROVIDER_SAMSUNG_PASS = 2;
+    private static final String LASTPASS_PACKAGE_NAME = "com.lastpass.lpandroid";
+    private static final int AUTOFILL_PROVIDER_LAST_PASS = 3;
+    private static final int AUTOFILL_PROVIDER_MAX = 4;
+
     private static void recordTimesHistogram(String name, long durationMillis) {
         RecordHistogram.recordCustomTimesHistogram(
                 name, durationMillis, MIN_TIME_MILLIS, MAX_TIME_MILLIS, NUM_OF_BUCKETS);
@@ -334,6 +350,28 @@ public void onServerTypeAvailable(FormData formData, boolean afterSessionStarted
         mRecorder.onServerTypeAvailable(formData, afterSessionStarted);
     }
 
+    static void logCurrentProvider(String packageName) {
+        switch (packageName) {
+            case AWG_PACKAGE_NAME:
+                recordUmaAutofillProvider(AUTOFILL_PROVIDER_AWG);
+                break;
+            case SAMSUNG_PASS_PACKAGE_NAME:
+                recordUmaAutofillProvider(AUTOFILL_PROVIDER_SAMSUNG_PASS);
+                break;
+            case LASTPASS_PACKAGE_NAME:
+                recordUmaAutofillProvider(AUTOFILL_PROVIDER_LAST_PASS);
+                break;
+            default:
+                recordUmaAutofillProvider(AUTOFILL_PROVIDER_UNKNOWN);
+                break;
+        }
+    }
+
+    private static void recordUmaAutofillProvider(int autofillProvider) {
+        RecordHistogram.recordEnumeratedHistogram(
+                UMA_AUTOFILL_PROVIDER, autofillProvider, AUTOFILL_PROVIDER_MAX);
+    }
+
     private void recordSession() {
         if (mAutofillDisabled != null && !mAutofillDisabled.booleanValue() && mRecorder != null) {
             mRecorder.recordHistogram();

tools/metrics/histograms/enums.xml

@@ -9495,6 +9495,13 @@ others/histograms.xml -->
   <int value="3" label="Upload / conflict resolution in initial sync"/>
 </enum>
 
+<enum name="AutofillProviderPackageName">
+  <int value="0" label="Unknown"/>
+  <int value="1" label="Autofill with Google"/>
+  <int value="2" label="Samsung Pass"/>
+  <int value="3" label="LastPass"/>
+</enum>
+
 <enum name="AutofillQualitiyMetricType">
   <int value="0" label="TYPE_SUBMISSION"/>
   <int value="1" label="TYPE_NO_SUBMISSION"/>

tools/metrics/histograms/metadata/autofill/histograms.xml

@@ -5442,6 +5442,18 @@ chromium-metrics-reviews@google.com.
   <token key="AutofillFormType" variants="AutofillFormType"/>
 </histogram>
 
+<histogram name="Autofill.WebView.Provider.PackageName"
+    enum="AutofillProviderPackageName" expires_after="2024-05-23">
+  <owner>alexmitra@chromium.org</owner>
+  <owner>src/android_webview/OWNERS</owner>
+  <summary>
+    Records the Autofill provider on the device if it matches a fixed list of
+    package names or unknown otherwise. This is recorded once for a given
+    AwContents. It is recorded on AutofillProvider initialization. Only recorded
+    in Android P and beyond.
+  </summary>
+</histogram>
+
 <histogram name="Autofill.WebView.ServerPrediction.AwGSuggestionAvailability"
     enum="AutofillAwGSuggestionAvailability" expires_after="2023-12-12">
   <owner>battre@chromium.org</owner>