Pref service: add support for tracked prefs.

chrome/browser/prefs/profile_pref_store_manager_unittest.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 "chrome/browser/prefs/profile_pref_store_manager.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <utility>
@@ skipping 113 matching lines @@
         user_prefs::kPreferenceResetTime,
         PrefHashFilter::EnforcementLevel::ENFORCE_ON_LOAD,
         PrefHashFilter::PrefTrackingStrategy::ATOMIC};
     configuration_.push_back(pref_reset_time_config);
 
     ASSERT_TRUE(profile_dir_.CreateUniqueTempDir());
     ReloadConfiguration();
   }
 
   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(); }
 
  protected:
   // Verifies whether a reset was reported via the RecordReset() hook. Also
   // verifies that GetResetTime() was set (or not) accordingly.
   void VerifyResetRecorded(bool reset_expected) {
     EXPECT_EQ(reset_expected, reset_recorded_);
 
@@ skipping 111 matching lines @@
     // No validations are expected for platforms that do not support tracking.
     if (!ProfilePrefStoreManager::kPlatformSupportsPreferenceTracking)
       return;
     if (!mock_validation_delegate_record_->GetEventForPath(pref_path))
       ADD_FAILURE() << "No validation observed for preference: " << pref_path;
   }
 
   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_;
   std::unique_ptr<MockValidationDelegate> mock_validation_delegate_;
   std::unique_ptr<ProfilePrefStoreManager> manager_;
   scoped_refptr<PersistentPrefStore> pref_store_;
 
   std::string seed_;
 
  private:
@@ skipping 209 matching lines @@
 
   // Trigger the logic that migrates it back to the unprotected preferences
   // file.
   pref_store_->SetValue(kProtectedAtomic,
                         base::WrapUnique(new base::Value(kGoodbyeWorld)),
                         WriteablePrefStore::DEFAULT_PREF_WRITE_FLAGS);
   LoadExistingPrefs();
   ExpectStringValueEquals(kProtectedAtomic, kGoodbyeWorld);
   VerifyResetRecorded(false);
 }