[Smart Lock] Adds UMA Metrics for actions on Account Chooser.

chrome/browser/password_manager/account_chooser_dialog_android.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/password_manager/account_chooser_dialog_android.h"
 
 #include <utility>
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/macros.h"
 #include "chrome/browser/password_manager/chrome_password_manager_client.h"
 #include "chrome/browser/password_manager/credential_android.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/browser/ui/passwords/account_avatar_fetcher.h"
 #include "chrome/browser/ui/passwords/manage_passwords_view_utils.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
 #include "components/password_manager/core/browser/password_bubble_experiment.h"
 #include "components/password_manager/core/browser/password_manager_constants.h"
+#include "components/password_manager/core/browser/password_manager_metrics_util.h"
 #include "components/password_manager/core/browser/password_ui_utils.h"
 #include "components/password_manager/core/common/credential_manager_types.h"
 #include "jni/AccountChooserDialog_jni.h"
 #include "ui/android/window_android.h"
 #include "ui/gfx/android/java_bitmap.h"
 #include "ui/gfx/range/range.h"
 
 using base::android::AttachCurrentThread;
 using base::android::ConvertUTF16ToJavaString;
 
@@ skipping 183 matching lines @@
 
 const std::vector<const autofill::PasswordForm*>&
 AccountChooserDialogAndroid::federated_credentials_forms() const {
   return passwords_data_.federated_credentials_forms();
 }
 
 void AccountChooserDialogAndroid::ChooseCredential(
     size_t index,
     password_manager::CredentialType type) {
   using namespace password_manager;
+  password_manager::metrics_util::AccountChooserUserAction action;
   if (type == CredentialType::CREDENTIAL_TYPE_EMPTY) {
     passwords_data_.ChooseCredential(nullptr);
-    return;
+    action = password_manager::metrics_util::ACCOUNT_CHOOSER_DISMISSED;
+  } else {
+    action = password_manager::metrics_util::ACCOUNT_CHOOSER_CREDENTIAL_CHOSEN;
+    const auto& credentials_forms =
+        (type == CredentialType::CREDENTIAL_TYPE_PASSWORD)
+            ? local_credentials_forms()
+            : federated_credentials_forms();
+    if (index < credentials_forms.size()) {
+      passwords_data_.ChooseCredential(credentials_forms[index]);
+    }
   }
-  const auto& credentials_forms =
-      (type == CredentialType::CREDENTIAL_TYPE_PASSWORD)
-          ? local_credentials_forms()
-          : federated_credentials_forms();
-  if (index < credentials_forms.size()) {
-    passwords_data_.ChooseCredential(credentials_forms[index]);
+
+  if (local_credentials_forms().size() == 1) {
+    password_manager::metrics_util::LogAccountChooserUserActionOneAccount(
+        action);
+  } else {
+    password_manager::metrics_util::LogAccountChooserUserActionManyAccounts(
+        action);
   }
 }
 
 bool RegisterAccountChooserDialogAndroid(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }