Implement upgrade notifications....

chrome/browser/cocoa/browser_window_cocoa.mm

 // Copyright (c) 2010 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/cocoa/browser_window_cocoa.h"
 
 #include "app/l10n_util_mac.h"
 #include "base/keyboard_codes.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 241 matching lines @@
 void BrowserWindowCocoa::AddFindBar(
     FindBarCocoaController* find_bar_cocoa_controller) {
   return [controller_ addFindBar:find_bar_cocoa_controller];
 }
 
 views::Window* BrowserWindowCocoa::ShowAboutChromeDialog() {
   NOTIMPLEMENTED();
   return NULL;
 }
 
+void BrowserWindowCocoa::ShowUpdateChromeDialog() {
+  NOTIMPLEMENTED();
+}
+
 void BrowserWindowCocoa::ShowTaskManager() {
   TaskManagerMac::Show();
 }
 
 void BrowserWindowCocoa::ShowBookmarkBubble(const GURL& url,
                                             bool already_bookmarked) {
   [controller_ showBookmarkBubbleForURL:url
                       alreadyBookmarked:(already_bookmarked ? YES : NO)];
 }
 
@@ skipping 272 matching lines @@
 void BrowserWindowCocoa::DestroyBrowser() {
   [controller_ destroyBrowser];
 
   // at this point the controller is dead (autoreleased), so
   // make sure we don't try to reference it any more.
 }
 
 NSWindow* BrowserWindowCocoa::window() const {
   return [controller_ window];
 }