Setting the touch wrench menu as default menu for ChromeOS

chrome/browser/ui/cocoa/tab_contents/render_view_context_menu_mac.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.
 
 #include "chrome/browser/ui/cocoa/tab_contents/render_view_context_menu_mac.h"
 
 #include "base/compiler_specific.h"
 #import "base/mac/scoped_sending_event.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/message_loop.h"
@@ skipping 152 matching lines @@
 bool RenderViewContextMenuMac::GetAcceleratorForCommandId(
     int command_id,
     ui::Accelerator* accelerator) {
   return false;
 }
 
 void RenderViewContextMenuMac::InitPlatformMenu() {
   bool has_selection = !params_.selection_text.empty();
 
   if (has_selection) {
-    menu_model_.AddSeparator();
+    menu_model_.AddSeparator(ui::NORMAL_SEPARATOR);
     menu_model_.AddItemWithStringId(
         IDC_CONTENT_CONTEXT_LOOK_UP_IN_DICTIONARY,
         IDS_CONTENT_CONTEXT_LOOK_UP_IN_DICTIONARY);
 
     content::RenderWidgetHostView* view = GetRenderViewHost()->GetView();
     if (view && view->SupportsSpeech()) {
       speech_submenu_model_.AddItemWithStringId(
           IDC_CONTENT_CONTEXT_SPEECH_START_SPEAKING,
           IDS_SPEECH_START_SPEAKING_MAC);
       speech_submenu_model_.AddItemWithStringId(
@@ skipping 33 matching lines @@
                                      command_id);
   if (!item)
     return;
 
   // Update the returned NSMenuItem directly so we can update it immediately.
   [item setEnabled:enabled];
   [item setTitle:SysUTF16ToNSString(title)];
   [item setHidden:hidden];
   [[item menu] itemChanged:item];
 }