Make the renderer-side prerendering code use RenderFrames instead of RenderViews.

chrome/renderer/prerender/prerender_media_load_deferrer.cc

 // Copyright 2013 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/renderer/prerender/prerender_media_load_deferrer.h"
 
 #include "base/callback_helpers.h"
 #include "chrome/common/prerender_messages.h"
-#include "content/public/renderer/render_view.h"
 
 namespace prerender {
 
 PrerenderMediaLoadDeferrer::PrerenderMediaLoadDeferrer(
-    content::RenderView* render_view,
+    content::RenderFrame* render_frame,
     const base::Closure& closure)
-    : RenderViewObserver(render_view),
+    : RenderFrameObserver(render_frame),
       is_prerendering_(true),
       continue_loading_cb_(closure) {
   DCHECK(!continue_loading_cb_.is_null());
 }
 
 PrerenderMediaLoadDeferrer::~PrerenderMediaLoadDeferrer() {}
 
 bool PrerenderMediaLoadDeferrer::OnMessageReceived(
     const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(PrerenderMediaLoadDeferrer, message)
     IPC_MESSAGE_HANDLER(PrerenderMsg_SetIsPrerendering, OnSetIsPrerendering)
   IPC_END_MESSAGE_MAP()
 
   return false;
 }
 
 void PrerenderMediaLoadDeferrer::OnSetIsPrerendering(bool is_prerendering) {
-  // Prerendering can only be enabled prior to a RenderView's first
+  // Prerendering can only be enabled prior to a RenderFrame's first
   // navigation, so no PrerenderMediaLoadDeferrer should see the notification
   // that enables prerendering.
   DCHECK(!is_prerendering);
   if (!is_prerendering_ || is_prerendering)
     return;
 
   is_prerendering_ = false;
   base::ResetAndReturn(&continue_loading_cb_).Run();
 }
 
 }  // namespace prerender