Fix translate namespace

chrome/browser/ui/browser_content_translate_driver_observer.cc

 // Copyright 2014 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_content_translate_driver_observer.h"
 
 #include "chrome/browser/translate/chrome_translate_client.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "components/translate/core/browser/language_state.h"
 
 BrowserContentTranslateDriverObserver::BrowserContentTranslateDriverObserver(
     Browser* browser) : browser_(browser) {
 }
 
 BrowserContentTranslateDriverObserver::
     ~BrowserContentTranslateDriverObserver() {
 }
 
 void BrowserContentTranslateDriverObserver::OnIsPageTranslatedChanged(
     content::WebContents* source) {
   if (source == browser_->tab_strip_model()->GetActiveWebContents()) {
     ChromeTranslateClient* chrome_translate_client =
         ChromeTranslateClient::FromWebContents(source);
-    LanguageState& language_state = chrome_translate_client->GetLanguageState();
+    translate::LanguageState& language_state =
+        chrome_translate_client->GetLanguageState();
     browser_->window()->SetTranslateIconToggled(
         language_state.IsPageTranslated());
   }
 }
 
 void BrowserContentTranslateDriverObserver::OnTranslateEnabledChanged(
     content::WebContents* source) {
   if (source == browser_->tab_strip_model()->GetActiveWebContents())
     browser_->window()->UpdateToolbar(source);
 }