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

components/sync_bookmarks/bookmark_data_type_controller.h

Index: components/sync_bookmarks/bookmark_data_type_controller.h
diff --git a/components/sync_bookmarks/bookmark_data_type_controller.h b/components/sync_bookmarks/bookmark_data_type_controller.h
index 62c2741586d2f66b71fabd5357344b4101a07ac0..7e4abf7820ebdb1689d0e9b8de6392b39f481b37 100644
--- a/components/sync_bookmarks/bookmark_data_type_controller.h
+++ b/components/sync_bookmarks/bookmark_data_type_controller.h
@@ -17,17 +17,18 @@
 namespace sync_bookmarks {
 
 // A class that manages the startup and shutdown of bookmark sync.
-class BookmarkDataTypeController : public syncer::FrontendDataTypeController,
-                                   public bookmarks::BaseBookmarkModelObserver,
-                                   public history::HistoryServiceObserver {
+class BookmarkDataTypeController
+    : public browser_sync::FrontendDataTypeController,
+      public bookmarks::BaseBookmarkModelObserver,
+      public history::HistoryServiceObserver {
  public:
   // |dump_stack| is called when an unrecoverable error occurs.
   BookmarkDataTypeController(const base::Closure& dump_stack,
-                             syncer::SyncClient* sync_client);
+                             sync_driver::SyncClient* sync_client);
   ~BookmarkDataTypeController() override;
 
  private:
-  // syncer::FrontendDataTypeController:
+  // browser_sync::FrontendDataTypeController:
   bool StartModels() override;
   void CleanUpState() override;
   void CreateSyncComponents() override;