[Mac] Replace the custom bookmark menus with native NSMenus.

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

Index: chrome/browser/ui/cocoa/bookmarks/bookmark_bar_unittest_helper.mm
diff --git a/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_unittest_helper.mm b/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_unittest_helper.mm
index 7cddec48a9e3b0778934f41b446b993b3e7234d6..56303f0efecafc1109f810a7e34babe1060a496c 100644
--- a/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_unittest_helper.mm
+++ b/chrome/browser/ui/cocoa/bookmarks/bookmark_bar_unittest_helper.mm
@@ -1,9 +1,27 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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_unittest_helper.h"
 
+#import "chrome/browser/ui/cocoa/bookmarks/bookmark_bar_folder_controller.h"
+#include "chrome/browser/ui/cocoa/bookmarks/bookmark_menu_bridge.h"
+
+NSUInteger GetNumberOfMenuItems(BookmarkBarFolderController* folder) {
+  if (![folder menuBridge])
+    return 0;
+  return [[[[folder menuBridge]->controller() menu] itemArray] count];
+}
+
+void CloseFolderSoon(BookmarkBarFolderController* folder, NSTimeInterval when) {
+  NSArray* modes = [NSArray arrayWithObjects:NSDefaultRunLoopMode,
+      NSEventTrackingRunLoopMode, nil];
+  [folder performSelector:@selector(closeMenu)
+               withObject:nil
+               afterDelay:when
+                  inModes:modes];
+}
+
 @interface NSArray (BookmarkBarUnitTestHelper)
 
 // A helper function for scanning an array of buttons looking for the
@@ -33,14 +51,6 @@
 
 @end
 
-@implementation BookmarkBarFolderController(BookmarkBarUnitTestHelper)
-
-- (BookmarkButton*)buttonWithTitleEqualTo:(NSString*)title {
-  return [[self buttons] buttonWithTitleEqualTo:title];
-}
-
-@end
-
 @implementation BookmarkButton(BookmarkBarUnitTestHelper)
 
 - (NSPoint)center {