Remove dependency on PrefChangeRegistrar and renderer_preferences_util from content.

content/browser/renderer_host/render_view_host_delegate.cc

 // Copyright (c) 2011 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 "content/browser/renderer_host/render_view_host_delegate.h"
 
 #include "base/memory/singleton.h"
 #include "chrome/common/render_messages.h"
 #include "content/common/renderer_preferences.h"
 #include "googleurl/src/gurl.h"
@@ skipping 23 matching lines @@
 }
 
 TabContents* RenderViewHostDelegate::GetAsTabContents() {
   return NULL;
 }
 
 BackgroundContents* RenderViewHostDelegate::GetAsBackgroundContents() {
   return NULL;
 }
 
-GURL RenderViewHostDelegate::GetAlternateErrorPageURL() const {
-  return GURL();
-}
-
 WebPreferences RenderViewHostDelegate::GetWebkitPrefs() {
   return WebPreferences();
 }
 
 bool RenderViewHostDelegate::IsExternalTabContainer() const {
   return false;
 }
 
 bool RenderViewHostDelegate::RequestDesktopNotificationPermission(
     const GURL& source_origin, int callback_context) {
   return false;
 }