Move LanguageState to the translate component

chrome/browser/extensions/api/tabs/tabs_api.cc

 // 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/extensions/api/tabs/tabs_api.h"
 
 #include <algorithm>
 #include <limits>
 #include <vector>
 
@@ skipping 1736 matching lines @@
   if (contents->GetController().NeedsReload()) {
     // If the tab hasn't been loaded, don't wait for the tab to load.
     error_ = keys::kCannotDetermineLanguageOfUnloadedTab;
     return false;
   }
 
   AddRef();  // Balanced in GotLanguage().
 
   TranslateTabHelper* translate_tab_helper =
       TranslateTabHelper::FromWebContents(contents);
-  if (!translate_tab_helper->language_state().original_language().empty()) {
+  if (!translate_tab_helper->GetLanguageState().original_language().empty()) {
     // Delay the callback invocation until after the current JS call has
     // returned.
     base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
         &TabsDetectLanguageFunction::GotLanguage, this,
-        translate_tab_helper->language_state().original_language()));
+        translate_tab_helper->GetLanguageState().original_language()));
     return true;
   }
   // The tab contents does not know its language yet.  Let's wait until it
   // receives it, or until the tab is closed/navigates to some other page.
   registrar_.Add(this, chrome::NOTIFICATION_TAB_LANGUAGE_DETERMINED,
                  content::Source<WebContents>(contents));
   registrar_.Add(
       this, chrome::NOTIFICATION_TAB_CLOSING,
       content::Source<NavigationController>(&(contents->GetController())));
   registrar_.Add(
@@ skipping 147 matching lines @@
   execute_tab_id_ = tab_id;
   details_ = details.Pass();
   return true;
 }
 
 bool TabsInsertCSSFunction::ShouldInsertCSS() const {
   return true;
 }
 
 }  // namespace extensions