Improve profile stats performace.

chrome/browser/chromeos/preferences_chromeos_browsertest.cc

 // Copyright 2014 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 <stddef.h>
 #include <sys/types.h>
 
 #include <set>
 #include <string>
 
@@ skipping 228 matching lines @@
       ProfileHelper::Get()->GetProfileByUserUnsafe(user2)->GetPrefs();
   SetPrefs(prefs2, true);
 
   // Check that settings were changed accordingly.
   EXPECT_TRUE(user2->is_active());
   CheckSettingsCorrespondToPrefs(prefs2);
 
   // Check that changing prefs of the active user doesn't affect prefs of the
   // inactive user.
   std::unique_ptr<base::DictionaryValue> prefs_backup =
-      prefs1->GetPreferenceValues();
+      prefs1->GetPreferenceValues(PrefService::INCLUDE_DEFAULTS);
   SetPrefs(prefs2, false);
   CheckSettingsCorrespondToPrefs(prefs2);
-  EXPECT_TRUE(prefs_backup->Equals(prefs1->GetPreferenceValues().get()));
+  EXPECT_TRUE(prefs_backup->Equals(
+      prefs1->GetPreferenceValues(PrefService::INCLUDE_DEFAULTS).get()));
   SetPrefs(prefs2, true);
   CheckSettingsCorrespondToPrefs(prefs2);
-  EXPECT_TRUE(prefs_backup->Equals(prefs1->GetPreferenceValues().get()));
+  EXPECT_TRUE(prefs_backup->Equals(
+      prefs1->GetPreferenceValues(PrefService::INCLUDE_DEFAULTS).get()));
 
   // Check that changing prefs of the inactive user doesn't affect prefs of the
   // active user.
-  prefs_backup = prefs2->GetPreferenceValues();
+  prefs_backup = prefs2->GetPreferenceValues(PrefService::INCLUDE_DEFAULTS);
   SetPrefs(prefs1, true);
   CheckSettingsCorrespondToPrefs(prefs2);
-  EXPECT_TRUE(prefs_backup->Equals(prefs2->GetPreferenceValues().get()));
+  EXPECT_TRUE(prefs_backup->Equals(
+      prefs2->GetPreferenceValues(PrefService::INCLUDE_DEFAULTS).get()));
   SetPrefs(prefs1, false);
   CheckSettingsCorrespondToPrefs(prefs2);
-  EXPECT_TRUE(prefs_backup->Equals(prefs2->GetPreferenceValues().get()));
+  EXPECT_TRUE(prefs_backup->Equals(
+      prefs2->GetPreferenceValues(PrefService::INCLUDE_DEFAULTS).get()));
 
   // Check that changing non-owner prefs doesn't change corresponding local
   // state prefs and vice versa.
   EXPECT_EQ(user_manager->GetOwnerAccountId(), test_users_[0]);
   CheckLocalStateCorrespondsToPrefs(prefs1);
   prefs2->SetBoolean(prefs::kTapToClickEnabled,
                      !prefs1->GetBoolean(prefs::kTapToClickEnabled));
   CheckLocalStateCorrespondsToPrefs(prefs1);
   prefs1->SetBoolean(prefs::kTapToClickEnabled,
                      !prefs1->GetBoolean(prefs::kTapToClickEnabled));
   CheckLocalStateCorrespondsToPrefs(prefs1);
 
   // Switch user back.
   user_manager->SwitchActiveUser(test_users_[0]);
   CheckSettingsCorrespondToPrefs(prefs1);
   CheckLocalStateCorrespondsToPrefs(prefs1);
 }
 
 }  // namespace chromeos