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

chrome/renderer/chrome_render_view_observer.h

 // 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.
 
 #ifndef CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
 #define CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 113 matching lines @@
   virtual void Navigate(const GURL& url) OVERRIDE;
 
   void OnWebUIJavaScript(const base::string16& frame_xpath,
                          const base::string16& jscript,
                          int id,
                          bool notify_result);
   void OnHandleMessageFromExternalHost(const std::string& message,
                                        const std::string& origin,
                                        const std::string& target);
   void OnJavaScriptStressTestControl(int cmd, int param);
-  void OnSetIsPrerendering(bool is_prerendering);
   void OnSetAllowDisplayingInsecureContent(bool allow);
   void OnSetAllowRunningInsecureContent(bool allow);
   void OnSetClientSidePhishingDetection(bool enable_phishing_detection);
   void OnSetVisuallyDeemphasized(bool deemphasized);
   void OnRequestThumbnailForContextNode(int thumbnail_min_area_pixels,
                                         gfx::Size thumbnail_max_size_pixels);
   void OnGetFPS();
   void OnNPAPINotSupported();
 #if defined(OS_ANDROID)
   void OnUpdateTopControlsState(content::TopControlsState constraints,
@@ skipping 58 matching lines @@
   // A color page overlay when visually de-emaphasized.
   scoped_ptr<WebViewColorOverlay> dimmed_color_overlay_;
 
   // Used to delay calling CapturePageInfo.
   base::Timer capture_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeRenderViewObserver);
 };
 
 #endif  // CHROME_RENDERER_CHROME_RENDER_VIEW_OBSERVER_H_