Move remaining non-test, non-Chrome-specific Prefs code to base/prefs/.

chrome/browser/chromeos/drive/drive_sync_client_unittest.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 "chrome/browser/chromeos/drive/drive_sync_client.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
+#include "base/prefs/pref_service.h"
 #include "base/test/test_timeouts.h"
 #include "base/threading/sequenced_worker_pool.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/drive_file_system_util.h"
 #include "chrome/browser/chromeos/drive/drive_sync_client_observer.h"
 #include "chrome/browser/chromeos/drive/drive_test_util.h"
 #include "chrome/browser/chromeos/drive/mock_drive_file_system.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/test/test_browser_thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using ::testing::AnyNumber;
 using ::testing::DoAll;
 using ::testing::Return;
@@ skipping 340 matching lines @@
   SetExpectationForGetFileByResourceId("resource_id_foo");
   SetExpectationForGetFileByResourceId("resource_id_bar");
 
   google_apis::test_util::RunBlockingPoolTask();
 
   EXPECT_EQ(1, observer_.idle_count());
   EXPECT_EQ(2, observer_.start_count());
 }
 
 }  // namespace drive