[Sync] Fix namespaces for the browser_sync component.

chrome/browser/ui/webui/sync_internals_message_handler.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/ui/webui/sync_internals_message_handler.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/channel_info.h"
 #include "components/browser_sync/profile_sync_service.h"
 #include "components/signin/core/browser/signin_manager_base.h"
 #include "components/sync/base/weak_handle.h"
 #include "components/sync/driver/about_sync_util.h"
 #include "components/sync/driver/sync_service.h"
 #include "components/sync/engine/cycle/commit_counters.h"
 #include "components/sync/engine/cycle/status_counters.h"
 #include "components/sync/engine/cycle/update_counters.h"
 #include "components/sync/engine/events/protocol_event.h"
 #include "components/sync/js/js_event_details.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_ui.h"
 
+using browser_sync::ProfileSyncService;
 using syncer::JsEventDetails;
 using syncer::ModelTypeSet;
 using syncer::WeakHandle;
 
 namespace {
 class UtilAboutSyncDataExtractor : public AboutSyncDataExtractor {
  public:
   std::unique_ptr<base::DictionaryValue> ConstructAboutInformation(
       sync_driver::SyncService* service,
       SigninManagerBase* signin) override {
@@ skipping 206 matching lines @@
       *value);
 }
 
 // Gets the ProfileSyncService of the underlying original profile.
 // May return NULL (e.g., if sync is disabled on the command line).
 ProfileSyncService* SyncInternalsMessageHandler::GetProfileSyncService() {
   Profile* profile = Profile::FromWebUI(web_ui());
   return ProfileSyncServiceFactory::GetForProfile(
       profile->GetOriginalProfile());
 }