Setting the touch wrench menu as default menu for ChromeOS

chrome/browser/ui/toolbar/back_forward_menu_model.cc

 // 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 "build/build_config.h"
 
 #include "chrome/browser/ui/toolbar/back_forward_menu_model.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 64 matching lines @@
     items += 2;
   }
 
   return items;
 }
 
 ui::MenuModel::ItemType BackForwardMenuModel::GetTypeAt(int index) const {
   return IsSeparator(index) ? TYPE_SEPARATOR : TYPE_COMMAND;
 }
 
+ui::MenuSeparatorType BackForwardMenuModel::GetSeparatorTypeAt(
+    int index) const {
+  return ui::NORMAL_SEPARATOR;
+}
+
 int BackForwardMenuModel::GetCommandIdAt(int index) const {
   return index;
 }
 
 string16 BackForwardMenuModel::GetLabelAt(int index) const {
   // Return label "Show Full History" for the last item of the menu.
   if (index == GetItemCount() - 1)
     return l10n_util::GetStringUTF16(IDS_SHOWFULLHISTORY_LINK);
 
   // Return an empty string for a separator.
@@ skipping 372 matching lines @@
     metric_string += "ForwardMenu_";
   else
     metric_string += "BackMenu_";
   metric_string += action;
   if (index != -1) {
     // +1 is for historical reasons (indices used to start at 1).
     metric_string += base::IntToString(index + 1);
   }
   return metric_string;
 }