Revert of [Sync] Move //components/sync to the syncer namespace. (patchset #5 id:40001 of https://co

chrome/browser/ui/webui/settings/settings_clear_browsing_data_handler.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_CLEAR_BROWSING_DATA_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_CLEAR_BROWSING_DATA_HANDLER_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 12 matching lines @@
 }
 
 namespace content {
 class WebUI;
 }
 
 namespace settings {
 
 // Chrome browser startup settings handler.
 class ClearBrowsingDataHandler : public SettingsPageUIHandler,
-                                 public syncer::SyncServiceObserver {
+                                 public sync_driver::SyncServiceObserver {
  public:
   explicit ClearBrowsingDataHandler(content::WebUI* webui);
   ~ClearBrowsingDataHandler() override;
 
   // WebUIMessageHandler implementation.
   void RegisterMessages() override;
   void OnJavascriptAllowed() override;
   void OnJavascriptDisallowed() override;
 
  private:
@@ skipping 42 matching lines @@
   Profile* profile_;
 
   // Counters that calculate the data volume for individual data types.
   std::vector<std::unique_ptr<browsing_data::BrowsingDataCounter>> counters_;
 
   // Observes the currently active data clearing task.
   std::unique_ptr<TaskObserver> task_observer_;
 
   // ProfileSyncService to observe sync state changes.
   browser_sync::ProfileSyncService* sync_service_;
-  ScopedObserver<browser_sync::ProfileSyncService, syncer::SyncServiceObserver>
+  ScopedObserver<browser_sync::ProfileSyncService,
+                 sync_driver::SyncServiceObserver>
       sync_service_observer_;
 
   // Used to listen for pref changes to allow / disallow deleting browsing data.
   PrefChangeRegistrar profile_pref_registrar_;
 
   // Whether the sentence about other forms of history stored in user's account
   // should be displayed in the footer. This value is retrieved asynchronously,
   // so we cache it here.
   bool show_history_footer_;
 
   // Whether we should show a dialog informing the user about other forms of
   // history stored in their account after the history deletion is finished.
   bool show_history_deletion_dialog_;
 
   // A weak pointer factory for asynchronous calls referencing this class.
   base::WeakPtrFactory<ClearBrowsingDataHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ClearBrowsingDataHandler);
 };
 
 }  // namespace settings
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SETTINGS_SETTINGS_CLEAR_BROWSING_DATA_HANDLER_H_