Quote WebPreferences in namespace webkit_glue.

content/browser/web_contents/interstitial_page_impl.cc

 // 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.
 
 #include "content/browser/web_contents/interstitial_page_impl.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 450 matching lines @@
   entry->SetTitle(title);
   web_contents_->NotifyNavigationStateChanged(content::INVALIDATE_TYPE_TITLE);
 }
 
 content::RendererPreferences InterstitialPageImpl::GetRendererPrefs(
     content::BrowserContext* browser_context) const {
   delegate_->OverrideRendererPrefs(&renderer_preferences_);
   return renderer_preferences_;
 }
 
-WebPreferences InterstitialPageImpl::GetWebkitPrefs() {
+webkit_glue::WebPreferences InterstitialPageImpl::GetWebkitPrefs() {
   return WebContentsImpl::GetWebkitPrefs(render_view_host_, url_);
 }
 
 bool InterstitialPageImpl::PreHandleKeyboardEvent(
     const NativeWebKeyboardEvent& event,
     bool* is_keyboard_shortcut) {
   return web_contents_->PreHandleKeyboardEvent(event, is_keyboard_shortcut);
 }
 
 void InterstitialPageImpl::HandleKeyboardEvent(
@@ skipping 264 matching lines @@
   if (!web_contents->GetViewDelegate())
     return;
 
   web_contents->GetViewDelegate()->TakeFocus(reverse);
 }
 
 void InterstitialPageImpl::InterstitialPageRVHViewDelegate::OnFindReply(
     int request_id, int number_of_matches, const gfx::Rect& selection_rect,
     int active_match_ordinal, bool final_update) {
 }