Pref service: add support for tracked prefs.

chrome/browser/prefs/profile_pref_store_manager_unittest.cc

Index: chrome/browser/prefs/profile_pref_store_manager_unittest.cc
diff --git a/chrome/browser/prefs/profile_pref_store_manager_unittest.cc b/chrome/browser/prefs/profile_pref_store_manager_unittest.cc
index 62d22de8fd07e71ff35780716525a3f4323729e5..34ace43fd4b38c3e9afb7d77b4551e8fe8357c5a 100644
--- a/chrome/browser/prefs/profile_pref_store_manager_unittest.cc
+++ b/chrome/browser/prefs/profile_pref_store_manager_unittest.cc
@@ -131,9 +131,9 @@ class ProfilePrefStoreManagerTest : public testing::Test {
   }
 
   void ReloadConfiguration() {
-    manager_.reset(new ProfilePrefStoreManager(
-        profile_dir_.GetPath(), configuration_, kReportingIdCount, seed_,
-        "device_id", &local_state_));
+    manager_.reset(
+        new ProfilePrefStoreManager(profile_dir_.GetPath(), configuration_,
+                                    kReportingIdCount, seed_, "device_id"));
   }
 
   void TearDown() override { DestroyPrefStore(); }
@@ -265,7 +265,6 @@ class ProfilePrefStoreManagerTest : public testing::Test {
   base::MessageLoop main_message_loop_;
   std::vector<PrefHashFilter::TrackedPreferenceMetadata> configuration_;
   base::ScopedTempDir profile_dir_;
-  TestingPrefServiceSimple local_state_;
   scoped_refptr<user_prefs::PrefRegistrySyncable> profile_pref_registry_;
   RegistryVerifier registry_verifier_;
   scoped_refptr<MockValidationDelegateRecord> mock_validation_delegate_record_;