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

chrome/renderer/prerender/prerender_media_load_deferrer.h

Index: chrome/renderer/prerender/prerender_media_load_deferrer.h
===================================================================
--- chrome/renderer/prerender/prerender_media_load_deferrer.h	(revision 239602)
+++ chrome/renderer/prerender/prerender_media_load_deferrer.h	(working copy)
@@ -6,22 +6,22 @@
 #define CHROME_RENDERER_PRERENDER_PRERENDER_MEDIA_LOAD_DEFERRER_H_
 
 #include "base/callback.h"
-#include "content/public/renderer/render_view_observer.h"
+#include "content/public/renderer/render_frame_observer.h"
 
 namespace prerender {
 
 // Defers media player loading in prerendered pages until the prerendered page
 // is swapped in.
-class PrerenderMediaLoadDeferrer : public content::RenderViewObserver {
+class PrerenderMediaLoadDeferrer : public content::RenderFrameObserver {
  public:
   // Will run |closure| to continue loading the media resource once the page is
   // swapped in.
-  PrerenderMediaLoadDeferrer(content::RenderView* render_view,
+  PrerenderMediaLoadDeferrer(content::RenderFrame* render_frame,
                              const base::Closure& closure);
   virtual ~PrerenderMediaLoadDeferrer();
 
  private:
-  // RenderViewObserver method:
+  // RenderFrameObserver method:
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   void OnSetIsPrerendering(bool is_prerendering);