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

chrome/browser/prerender/prerender_manager.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 "chrome/browser/prerender/prerender_manager.h"
 
 #include <algorithm>
 #include <functional>
 #include <string>
 #include <vector>
@@ skipping 610 matching lines @@
     histograms_->RecordTimeUntilUsed(
         prerender_contents->origin(),
         GetCurrentTimeTicks() - prerender_contents->load_start_time());
   }
 
   histograms_->RecordPerSessionCount(prerender_contents->origin(),
                                      ++prerenders_per_session_count_);
   histograms_->RecordUsedPrerender(prerender_contents->origin());
   prerender_contents->SetFinalStatus(FINAL_STATUS_USED);
 
-  RenderViewHost* new_render_view_host =
-      prerender_contents->prerender_contents()->GetRenderViewHost();
-  new_render_view_host->Send(
-      new PrerenderMsg_SetIsPrerendering(new_render_view_host->GetRoutingID(),
-                                         false));
-
   // Start pending prerender requests from the PrerenderContents, if there are
   // any.
   prerender_contents->PrepareForUse();
 
   WebContents* new_web_contents =
       prerender_contents->ReleasePrerenderContents();
   WebContents* old_web_contents = web_contents;
   DCHECK(new_web_contents);
   DCHECK(old_web_contents);
 
@@ skipping 1233 matching lines @@
 void PrerenderManager::RecordEvent(PrerenderContents* contents,
                                    PrerenderEvent event) const {
   if (!contents)
     histograms_->RecordEvent(ORIGIN_NONE, kNoExperiment, event);
   else
     histograms_->RecordEvent(contents->origin(), contents->experiment_id(),
                              event);
 }
 
 }  // namespace prerender