Close bubbles not on UpdateToolbar but when the activated tab is changed

chrome/browser/ui/cocoa/browser_window_cocoa.mm

 // 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 "chrome/browser/ui/cocoa/browser_window_cocoa.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
@@ skipping 485 matching lines @@
       ChromeTranslateClient::FromWebContents(contents);
   translate::LanguageState& language_state =
       chrome_translate_client->GetLanguageState();
   language_state.SetTranslateEnabled(true);
 
   [controller_ showTranslateBubbleForWebContents:contents
                                             step:step
                                        errorType:error_type];
 }
 
+void BrowserWindowCocoa::CloseTranslateBubble() {
+}
+
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
 void BrowserWindowCocoa::ShowOneClickSigninBubble(
     OneClickSigninBubbleType type,
     const base::string16& email,
     const base::string16& error_message,
     const StartSyncCallback& start_sync_callback) {
   WebContents* web_contents =
         browser_->tab_strip_model()->GetActiveWebContents();
   if (type == ONE_CLICK_SIGNIN_BUBBLE_TYPE_BUBBLE) {
     base::scoped_nsobject<OneClickSigninBubbleController> bubble_controller([
@@ skipping 194 matching lines @@
   if (browser_->bookmark_bar_state() != BookmarkBar::DETACHED)
     return 0;
   return 40;
 }
 
 void BrowserWindowCocoa::ExecuteExtensionCommand(
     const extensions::Extension* extension,
     const extensions::Command& command) {
   [cocoa_controller() executeExtensionCommand:extension->id() command:command];
 }