Bookmark context menu should appear over the bookmark folder menu.

chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_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_folder_controller.h"
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/strings/sys_string_conversions.h"
 #import "chrome/browser/bookmarks/bookmark_model_factory.h"
@@ skipping 1316 matching lines @@
   [self setSelectedButtonByIndex:[self indexOfButton:sender]];
 
   // Cancel a previous hover if needed.
   [NSObject cancelPreviousPerformRequestsWithTarget:self];
 
   // If already opened, then we exited but re-entered the button
   // (without entering another button open), do nothing.
   if ([folderController_ parentButton] == sender)
     return;
 
-  [self performSelector:@selector(openBookmarkFolderFromButtonAndCloseOldOne:)
-             withObject:sender
-             afterDelay:bookmarks::kHoverOpenDelay
-                inModes:[NSArray arrayWithObject:NSRunLoopCommonModes]];
+  // If right click was done immediately on entering a button, then open the
+  // folder without delay so that context menu appears over the folder menu.
+  if ([event type] == NSRightMouseDown)
+    [self openBookmarkFolderFromButtonAndCloseOldOne:sender];
+  else
+    [self performSelector:@selector(openBookmarkFolderFromButtonAndCloseOldOne:)
+               withObject:sender
+               afterDelay:bookmarks::kHoverOpenDelay
+                  inModes:[NSArray arrayWithObject:NSRunLoopCommonModes]];
 }
 
 // Called from the BookmarkButton
 - (void)mouseExitedButton:(id)sender event:(NSEvent*)event {
   if (buttonThatMouseIsIn_ == sender)
     buttonThatMouseIsIn_ = nil;
     [self setSelectedButtonByIndex:-1];
 
   // Stop any timer about opening a new hover-open folder.
 
@@ skipping 647 matching lines @@
 
 - (void)setIgnoreAnimations:(BOOL)ignore {
   ignoreAnimations_ = ignore;
 }
 
 - (BookmarkButton*)buttonThatMouseIsIn {
   return buttonThatMouseIsIn_;
 }
 
 @end  // BookmarkBarFolderController