Split testing_pref_service.h/.cc into two parts, generic vs. Chrome-specific.

chrome/browser/search_engines/template_url_service_sync_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 "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/search_engines/search_terms_data.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_prepopulate_data.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/search_engines/template_url_service_test_util.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
-#include "chrome/test/base/testing_pref_service.h"
+#include "chrome/test/base/testing_pref_service_syncable.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/notification_service.h"
 #include "extensions/common/constants.h"
 #include "net/base/net_util.h"
 #include "sync/api/sync_error_factory.h"
 #include "sync/api/sync_error_factory_mock.h"
 #include "sync/protocol/search_engine_specifics.pb.h"
 #include "sync/protocol/sync.pb.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 2235 matching lines @@
   syncer::SyncMergeResult merge_result = model()->MergeDataAndStartSyncing(
       syncer::SEARCH_ENGINES, list, PassProcessor(),
       CreateAndPassSyncErrorFactory());
 
   const TemplateURL* result_turl = model()->GetTemplateURLForGUID("default");
   EXPECT_TRUE(result_turl);
   EXPECT_EQ(default_turl->keyword(), result_turl->keyword());
   EXPECT_EQ(default_turl->short_name(), result_turl->short_name());
   EXPECT_EQ(default_turl->url(), result_turl->url());
 }