[Sync] Fix namespaces for the browser_sync component.

chrome/browser/supervised_user/legacy/permission_request_creator_sync.h

 // 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.
 
 #ifndef CHROME_BROWSER_SUPERVISED_USER_LEGACY_PERMISSION_REQUEST_CREATOR_SYNC_H_
 #define CHROME_BROWSER_SUPERVISED_USER_LEGACY_PERMISSION_REQUEST_CREATOR_SYNC_H_
 
 #include <memory>
 #include <string>
 
 #include "chrome/browser/supervised_user/permission_request_creator.h"
 
-class ProfileSyncService;
 class SupervisedUserSettingsService;
 class SupervisedUserSharedSettingsService;
 
+namespace browser_sync {
+class ProfileSyncService;
+}  // namespace browser_sync
+
 // The requests are stored using a prefix followed by a URIEncoded version of
 // the URL/extension ID. Each entry contains a dictionary which currently has
 // the timestamp of the request in it.
 class PermissionRequestCreatorSync : public PermissionRequestCreator {
  public:
   PermissionRequestCreatorSync(
       SupervisedUserSettingsService* settings_service,
       SupervisedUserSharedSettingsService* shared_settings_service,
-      ProfileSyncService* sync_service,
+      browser_sync::ProfileSyncService* sync_service,
       const std::string& name,
       const std::string& supervised_user_id);
   ~PermissionRequestCreatorSync() override;
 
   // PermissionRequestCreator implementation:
   bool IsEnabled() const override;
   void CreateURLAccessRequest(const GURL& url_requested,
                               const SuccessCallback& callback) override;
   void CreateExtensionInstallRequest(const std::string& id,
                                      const SuccessCallback& callback) override;
   void CreateExtensionUpdateRequest(const std::string& id,
                                     const SuccessCallback& callback) override;
 
  private:
   // Note: Doesn't escape |data|. If you need it escaped, do it yourself!
   void CreateRequest(const std::string& prefix,
                      const std::string& data,
                      const SuccessCallback& callback);
   SupervisedUserSettingsService* settings_service_;
   SupervisedUserSharedSettingsService* shared_settings_service_;
-  ProfileSyncService* sync_service_;
+  browser_sync::ProfileSyncService* sync_service_;
   std::string name_;
   std::string supervised_user_id_;
 };
 
 #endif  // CHROME_BROWSER_SUPERVISED_USER_LEGACY_PERMISSION_REQUEST_CREATOR_SYNC_H_