Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/password_manager/password_manager_unittest.cc

Index: chrome/browser/password_manager/password_manager_unittest.cc
diff --git a/chrome/browser/password_manager/password_manager_unittest.cc b/chrome/browser/password_manager/password_manager_unittest.cc
index e297d7cdb1731240b49085a9b49ace68bc72d800..b8e664a297497aeaf8d23d9caf20a51956d79367 100644
--- a/chrome/browser/password_manager/password_manager_unittest.cc
+++ b/chrome/browser/password_manager/password_manager_unittest.cc
@@ -348,7 +348,8 @@ TEST_F(PasswordManagerTest, InitiallyInvisibleForm) {
 TEST_F(PasswordManagerTest, SavingDependsOnManagerEnabledPreference) {
   // Test that saving passwords depends on the password manager enabled
   // preference.
-  TestingPrefService* prefService = testing_profile_->GetTestingPrefService();
+  TestingPrefServiceSyncable* prefService =
+      testing_profile_->GetTestingPrefService();
   prefService->SetUserPref(prefs::kPasswordManagerEnabled,
                            Value::CreateBooleanValue(true));
   EXPECT_TRUE(manager()->IsSavingEnabled());
@@ -363,7 +364,8 @@ TEST_F(PasswordManagerTest, FillPasswordsOnDisabledManager) {
   std::vector<PasswordForm*> result;
   PasswordForm* existing = new PasswordForm(MakeSimpleForm());
   result.push_back(existing);
-  TestingPrefService* prefService = testing_profile_->GetTestingPrefService();
+  TestingPrefServiceSyncable* prefService =
+      testing_profile_->GetTestingPrefService();
   prefService->SetUserPref(prefs::kPasswordManagerEnabled,
                            Value::CreateBooleanValue(false));
   EXPECT_CALL(delegate_, FillPasswordForm(_));