Move LanguageState to the translate component

chrome/browser/ui/browser.cc

 // 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.
 
 #include "chrome/browser/ui/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // defined(OS_WIN)
@@ skipping 2078 matching lines @@
 
   // ...and all the helpers.
   BookmarkTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
   WebContentsModalDialogManager::FromWebContents(web_contents)->
       SetDelegate(delegate);
   CoreTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
   SearchEngineTabHelper::FromWebContents(web_contents)->set_delegate(delegate);
   ZoomController::FromWebContents(web_contents)->set_observer(delegate);
   TranslateTabHelper* translate_tab_helper =
       TranslateTabHelper::FromWebContents(web_contents);
-  translate_tab_helper->language_state().set_observer(
+  translate_tab_helper->GetTranslateDriver()->SetLanguageStateObserver(
       delegate ? delegate->language_state_observer_.get() : NULL);
 }
 
 void Browser::CloseFrame() {
   window_->Close();
 }
 
 void Browser::TabDetachedAtImpl(content::WebContents* contents,
                                 int index,
                                 DetachType type) {
@@ skipping 182 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         content::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }