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

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

Index: chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.mm
diff --git a/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.mm b/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.mm
index 9aa000dc9fef856ba2a6de4a25fd2c5eb35ea77e..c27d9d62d2860448ae7a87256b605530a4e7b915 100644
--- a/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.mm
+++ b/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_controller.mm
@@ -2637,6 +2637,10 @@ static BOOL ValueInRangeInclusive(CGFloat low, CGFloat value, CGFloat high) {
     // 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];