[chromium-reviews] Add getLanguage function to tabs extension

chrome/browser/tab_contents/tab_contents.cc

 // Copyright (c) 2009 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/tab_contents/tab_contents.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/file_version_info.h"
 #include "base/process_util.h"
@@ skipping 958 matching lines @@
 void TabContents::StopFinding(bool clear_selection) {
   // When |clear_selection| is true, it means the find string has been cleared
   // by the user, but the UI has not been dismissed.
   if (!clear_selection)
     find_ui_active_ = false;
   find_op_aborted_ = true;
   last_search_result_ = FindNotificationDetails();
   render_view_host()->StopFinding(clear_selection);
 }
 
+void TabContents::GetPageLanguage() {
+  render_view_host()->GetPageLanguage();
+}
+
 void TabContents::OnJavaScriptMessageBoxClosed(IPC::Message* reply_msg,
                                                bool success,
                                                const std::wstring& prompt) {
   last_javascript_message_dismissal_ = base::TimeTicks::Now();
   render_manager_.OnJavaScriptMessageBoxClosed(reply_msg, success, prompt);
 }
 
 void TabContents::OnJavaScriptMessageBoxWindowDestroyed() {
   render_manager_.OnJavaScriptMessageBoxWindowDestroyed();
 }
@@ skipping 1350 matching lines @@
       NavigationController::LoadCommittedDetails& committed_details =
           *(Details<NavigationController::LoadCommittedDetails>(details).ptr());
       ExpireInfoBars(committed_details);
       break;
     }
 
     default:
       NOTREACHED();
   }
 }