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

chrome/browser/ui/browser_window.h

 // Copyright 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.
 
 #ifndef CHROME_BROWSER_UI_BROWSER_WINDOW_H_
 #define CHROME_BROWSER_UI_BROWSER_WINDOW_H_
 
 #include "base/callback_forward.h"
 #include "chrome/browser/lifetime/browser_close_manager.h"
 #include "chrome/browser/signin/signin_header_helper.h"
@@ skipping 212 matching lines @@
   // Shows the translate bubble.
   //
   // |is_user_gesture| is true when the bubble is shown on the user's deliberate
   // action.
   virtual void ShowTranslateBubble(
       content::WebContents* contents,
       translate::TranslateStep step,
       translate::TranslateErrors::Type error_type,
       bool is_user_gesture) = 0;
 
+  // Close the translate bubble.
+  virtual void CloseTranslateBubble() = 0;
+
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
   enum OneClickSigninBubbleType {
     ONE_CLICK_SIGNIN_BUBBLE_TYPE_BUBBLE,
     ONE_CLICK_SIGNIN_BUBBLE_TYPE_MODAL_DIALOG,
     ONE_CLICK_SIGNIN_BUBBLE_TYPE_SAML_MODAL_DIALOG
   };
 
   // Callback type used with the ShowOneClickSigninBubble() method.  If the
   // user chooses to accept the sign in, the callback is called to start the
   // sync process.
@@ skipping 143 matching lines @@
   virtual void ExecuteExtensionCommand(const extensions::Extension* extension,
                                        const extensions::Command& command) = 0;
 
  protected:
   friend class BrowserCloseManager;
   friend class BrowserView;
   virtual void DestroyBrowser() = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_WINDOW_H_