[Material][Mac] Fix for Bookmark Button's highlight issues

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.mm

 // Copyright (c) 2012 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.
 
 #import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.h"
 
 #include <stddef.h>
 
 #import "base/mac/bundle_locations.h"
 #import "base/mac/foundation_util.h"
@@ skipping 2619 matching lines @@
   // http://crbug.com/35966
   // If already opened, then we exited but re-entered the button, so do nothing.
   if ([folderController_ parentButton] == sender)
     return;
   // Else open a new one if it makes sense to do so.
   const BookmarkNode* node = [sender bookmarkNode];
   if (node && node->is_folder()) {
     // Update |hoverButton_| so that it corresponds to the open folder.
     hoverButton_.reset([sender retain]);
     [folderTarget_ openBookmarkFolderFromButton:sender];
+
+    const BookmarkButtonCell* cell = [sender cell];
+    if ([cell tag] == kMaterialStandardButtonTypeWithLimitedClickFeedback)
+      [cell setHighlighted:YES];
   } else {
     // We're over a non-folder bookmark so close any old folders.
     [folderController_ close];
     folderController_ = nil;
   }
 }
 
 // BookmarkButtonDelegate protocol implementation.
 - (void)mouseExitedButton:(id)sender event:(NSEvent*)event {
   // Don't care; do nothing.
@@ skipping 441 matching lines @@
 - (id<BookmarkButtonControllerProtocol>)controllerForNode:
     (const BookmarkNode*)node {
   // See if it's in the bar, then if it is in the hierarchy of visible
   // folder menus.
   if (bookmarkModel_->bookmark_bar_node() == node)
     return self;
   return [folderController_ controllerForNode:node];
 }
 
 @end