[Sync] Fix namespaces for the browser_sync component.

chrome/browser/supervised_user/legacy/permission_request_creator_sync.h

Index: chrome/browser/supervised_user/legacy/permission_request_creator_sync.h
diff --git a/chrome/browser/supervised_user/legacy/permission_request_creator_sync.h b/chrome/browser/supervised_user/legacy/permission_request_creator_sync.h
index 6cbd0ab665c069668d39e16e4b9f8c5d793811ef..4d763b98e44927f82738d1f91bd1bcec63672828 100644
--- a/chrome/browser/supervised_user/legacy/permission_request_creator_sync.h
+++ b/chrome/browser/supervised_user/legacy/permission_request_creator_sync.h
@@ -10,10 +10,13 @@
 
 #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.
@@ -22,7 +25,7 @@ class PermissionRequestCreatorSync : public PermissionRequestCreator {
   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;
@@ -43,7 +46,7 @@ class PermissionRequestCreatorSync : public PermissionRequestCreator {
                      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_;
 };