[Mac] Add menu to reload button available when debugging.

chrome/browser/ui/cocoa/toolbar/reload_button.h

 // 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_TOOLBAR_RELOAD_BUTTON_H_
 #define CHROME_BROWSER_UI_COCOA_TOOLBAR_RELOAD_BUTTON_H_
 
 #import <Cocoa/Cocoa.h>
 
-#import "chrome/browser/ui/cocoa/image_button_cell.h"
-#import "chrome/browser/ui/cocoa/toolbar/toolbar_button.h"
+#import "chrome/browser/ui/cocoa/clickhold_button_cell.h"
+#import "chrome/browser/ui/cocoa/menu_button.h"
 
 // ToolbarButton subclass which defers certain state changes when the mouse
 // is hovering over it.
 
-@interface ReloadButton : ToolbarButton<ImageButton> {
+class CommandUpdater;
+
+@interface ReloadButton : MenuButton<ImageButton> {
  @private
   // Timer used when setting reload mode while the mouse is hovered.
   NSTimer* pendingReloadTimer_;
+  base::scoped_nsobject<NSMenu> menu_;
+  CommandUpdater* commandUpdater_; // weak, set by toolbar controller.
 }
 
 // Update the tag, and the image and tooltip to match.  If |anInt|
 // matches the current tag, no action is taken.  |anInt| must be
 // either |IDC_STOP| or |IDC_RELOAD|.
 - (void)updateTag:(NSInteger)anInt;
 
 // Update the button to be a reload button or stop button depending on
 // |isLoading|.  If |force|, always sets the indicated mode.  If
 // |!force|, and the mouse is over the button, defer the transition
 // from stop button to reload button until the mouse has left the
 // button, or until |pendingReloadTimer_| fires.  This prevents an
 // inadvertent click _just_ as the state changes.
 - (void)setIsLoading:(BOOL)isLoading force:(BOOL)force;
 
+// Changes whether reload button shows menu.
+- (void)setMenuEnabled:(BOOL)enabled;
+
+- (void)setCommandUpdater:(CommandUpdater*)commandUpdater;
+
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_TOOLBAR_RELOAD_BUTTON_H_