[Mac] Organize some files into chrome/browser/ui/cocoa/toolbar/....

chrome/browser/ui/cocoa/back_forward_menu_controller.h

Index: chrome/browser/ui/cocoa/back_forward_menu_controller.h
===================================================================
--- chrome/browser/ui/cocoa/back_forward_menu_controller.h	(revision 71837)
+++ chrome/browser/ui/cocoa/back_forward_menu_controller.h	(working copy)
@@ -1,43 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_UI_COCOA_BACK_FORWARD_MENU_CONTROLLER_H_
-#define CHROME_BROWSER_UI_COCOA_BACK_FORWARD_MENU_CONTROLLER_H_
-#pragma once
-
-#import <Cocoa/Cocoa.h>
-
-#include "base/scoped_nsobject.h"
-#include "base/scoped_ptr.h"
-#include "chrome/browser/ui/toolbar/back_forward_menu_model.h"
-
-@class MenuButton;
-
-typedef BackForwardMenuModel::ModelType BackForwardMenuType;
-const BackForwardMenuType BACK_FORWARD_MENU_TYPE_BACK =
-    BackForwardMenuModel::BACKWARD_MENU;
-const BackForwardMenuType BACK_FORWARD_MENU_TYPE_FORWARD =
-    BackForwardMenuModel::FORWARD_MENU;
-
-// A class that manages the back/forward menu (and delayed-menu button, and
-// model).
-
-@interface BackForwardMenuController : NSObject {
- @private
-  BackForwardMenuType type_;
-  MenuButton* button_;  // Weak; comes from nib.
-  scoped_ptr<BackForwardMenuModel> model_;
-  scoped_nsobject<NSMenu> backForwardMenu_;
-}
-
-// Type (back or forwards); can only be set on initialization.
-@property(readonly, nonatomic) BackForwardMenuType type;
-
-- (id)initWithBrowser:(Browser*)browser
-            modelType:(BackForwardMenuType)type
-               button:(MenuButton*)button;
-
-@end  // @interface BackForwardMenuController
-
-#endif  // CHROME_BROWSER_UI_COCOA_BACK_FORWARD_MENU_CONTROLLER_H_