Update from https://crrev.com/333737

base/prefs/testing_pref_store.cc

 // Copyright (c) 2012 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 "base/prefs/testing_pref_store.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 
 TestingPrefStore::TestingPrefStore()
@@ skipping 71 matching lines @@
   DCHECK(!pending_async_read_);
   error_delegate_.reset(error_delegate);
   if (block_async_read_)
     pending_async_read_ = true;
   else
     NotifyInitializationCompleted();
 }
 
 void TestingPrefStore::CommitPendingWrite() { committed_ = true; }
 
+void TestingPrefStore::SchedulePendingLossyWrites() {}
+
 void TestingPrefStore::SetInitializationCompleted() {
   NotifyInitializationCompleted();
 }
 
 void TestingPrefStore::NotifyPrefValueChanged(const std::string& key) {
   FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
 }
 
 void TestingPrefStore::NotifyInitializationCompleted() {
   DCHECK(!init_complete_);
@@ skipping 63 matching lines @@
   read_success_ = read_success;
 }
 
 void TestingPrefStore::set_read_error(
     PersistentPrefStore::PrefReadError read_error) {
   DCHECK(!init_complete_);
   read_error_ = read_error;
 }
 
 TestingPrefStore::~TestingPrefStore() {}