Quote WebPreferences in namespace webkit_glue.

chrome/browser/ui/prefs/prefs_tab_helper.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_PREFS_PREFS_TAB_HELPER_H_
 #define CHROME_BROWSER_UI_PREFS_PREFS_TAB_HELPER_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/prefs/pref_change_registrar.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class OverlayUserPrefStore;
 class PrefService;
 class Profile;
-struct WebPreferences;
 
 namespace content {
 class WebContents;
 }
 
 // Per-tab class to handle user preferences.
 class PrefsTabHelper : public content::NotificationObserver {
  public:
   explicit PrefsTabHelper(content::WebContents* contents);
   virtual ~PrefsTabHelper();
@@ skipping 17 matching lines @@
   Profile* GetProfile();
 
   content::WebContents* web_contents_;
   content::NotificationRegistrar registrar_;
   PrefChangeRegistrar pref_change_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefsTabHelper);
 };
 
 #endif  // CHROME_BROWSER_UI_PREFS_PREFS_TAB_HELPER_H_