Detecting form locale

chrome/browser/tab_contents/tab_contents.h

 // Copyright (c) 2010 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_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 628 matching lines @@
   // Set the time when we started to create the new tab page.  This time is
   // from before we created this TabContents.
   void set_new_tab_start_time(const base::TimeTicks& time) {
     new_tab_start_time_ = time;
   }
 
   // Notification that tab closing has started.  This can be called multiple
   // times, subsequent calls are ignored.
   void OnCloseStarted();
 
-  LanguageState& language_state() {
+  virtual LanguageState& language_state() {
     return language_state_;
   }
 
+  virtual const LanguageState& language_state() const {
+    return language_state_;
+  }
+
   // Returns true if underlying TabContentsView should accept drag-n-drop.
   bool ShouldAcceptDragAndDrop() const;
 
   // Creates a duplicate of this TabContents. The returned TabContents is
   // configured such that the renderer has not been loaded (it'll load the first
   // time it is selected).
   // This is intended for use with apps.
   // The caller owns the returned object.
   TabContents* CloneAndMakePhantom();
 
@@ skipping 609 matching lines @@
 
   // See description in RenderViewHostDelegate::SetDisplayingPDFContent.
   bool displaying_pdf_content_;
 
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_