Chrome should shut down cleanly when quit from the Dock icon menu, during...

chrome/browser/app_controller_mac.h

 // Copyright (c) 2009 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_APP_CONTROLLER_MAC_H_
 #define CHROME_BROWSER_APP_CONTROLLER_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <vector>
 
 #include "base/scoped_nsobject.h"
 #include "base/scoped_ptr.h"
 
 @class AboutWindowController;
 class BookmarkMenuBridge;
 class CommandUpdater;
+@class CrApplication;
 class GURL;
 class HistoryMenuBridge;
 @class PreferencesWindowController;
 class Profile;
 
 // The application controller object, created by loading the MainMenu nib.
 // This handles things like responding to menus when there are no windows
 // open, etc and acts as the NSApplication delegate.
 @interface AppController : NSObject<NSUserInterfaceValidations> {
  @private
@@ skipping 11 matching lines @@
   scoped_ptr<std::vector<GURL> > pendingURLs_;
 
   // Outlets for the close tab/window menu items so that we can adjust the
   // commmand-key equivalent depending on the kind of window and how many
   // tabs it has.
   IBOutlet NSMenuItem* closeTabMenuItem_;
   IBOutlet NSMenuItem* closeWindowMenuItem_;
   BOOL fileMenuUpdatePending_;  // ensure we only do this once per notificaion.
 }
 
-- (IBAction)quit:(id)sender;
+- (void)didEndMainMessageLoop;
 - (Profile*)defaultProfile;
 
 // Show the preferences window, or bring it to the front if it's already
 // visible.
 - (IBAction)showPreferences:(id)sender;
 
 // Redirect in the menu item from the expected target of "File's
 // Owner" (NSAppliation) for a Branded About Box
 - (IBAction)orderFrontStandardAboutPanel:(id)sender;
 
 @end
 
 #endif