sync: remove use of protobuf extensions in protocol to reduce static init overhead.

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/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/search_engines/template_url.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/sync/protocol/search_engine_specifics.pb.h"
+#include "chrome/browser/sync/protocol/sync.pb.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/notification_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::Time;
 
 namespace {
 
 // Extract the GUID from a search engine SyncData.
 std::string GetGUID(const SyncData& sync_data) {
-  return sync_data.GetSpecifics().GetExtension(
-      sync_pb::search_engine).sync_guid();
+  return sync_data.GetSpecifics().search_engine().sync_guid();
 }
 
 // Extract the URL from a search engine SyncData.
 std::string GetURL(const SyncData& sync_data) {
-  return sync_data.GetSpecifics().GetExtension(
-      sync_pb::search_engine).url();
+  return sync_data.GetSpecifics().search_engine().url();
 }
 
 // Extract the keyword from a search engine SyncData.
 std::string GetKeyword(const SyncData& sync_data) {
-  return sync_data.GetSpecifics().GetExtension(
-      sync_pb::search_engine).keyword();
+  return sync_data.GetSpecifics().search_engine().keyword();
 }
 
 // TODO(stevet): Share these with template_url_service_unittest.
 // Set the managed preferences for the default search provider and trigger
 // notification.
 void SetManagedDefaultSearchPreferences(TemplateURLService* turl_service,
                                         TestingProfile* profile,
                                         bool enabled,
                                         const char* name,
                                         const char* search_url,
@@ skipping 1244 matching lines @@
   model()->MergeDataAndStartSyncing(
       syncable::SEARCH_ENGINES,
       CreateInitialSyncData(),
       processor());
 
   EXPECT_EQ(3U, model()->GetAllSyncData(syncable::SEARCH_ENGINES).size());
   EXPECT_FALSE(model()->GetTemplateURLForGUID("whateverguid"));
   EXPECT_EQ(model()->GetDefaultSearchProvider(),
             model()->GetTemplateURLForGUID("key1"));
 }