Fix up clang on mac.

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h

Index: chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h
diff --git a/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h b/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h
index 9542c908b3d522e3fe5bcdbc7b37aff6e2a156ba..0dc9194071b5adb47036b29216740266d3380324 100644
--- a/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h
+++ b/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_view.h
@@ -18,11 +18,4 @@
   // mentation comment for - (id<BookmarkButtonControllerProtocol>)controller.
   id<BookmarkButtonControllerProtocol> controller_;
 }
-@property(readonly, assign) id<BookmarkButtonControllerProtocol> controller;
-@end
-
-@interface BookmarkBarFolderView()  // TestingOrInternalAPI
-@property(assign) BOOL dropIndicatorShown;
-@property(readonly) CGFloat dropIndicatorPosition;
-@property(assign) id<BookmarkButtonControllerProtocol> controller;
 @end