Upstreaming prerendering changes for Android.

chrome/browser/prerender/prerender_manager.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_BROWSER_PRERENDER_PRERENDER_MANAGER_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_
 #pragma once
 
 #include <list>
 #include <string>
@@ skipping 151 matching lines @@
   static void SetMode(PrerenderManagerMode mode);
   static bool IsPrerenderingPossible();
   static bool ActuallyPrerendering();
   static bool IsControlGroup();
   static bool IsNoUseGroup();
 
   // Query the list of current prerender pages to see if the given web contents
   // is prerendering a page.
   bool IsWebContentsPrerendering(content::WebContents* web_contents) const;
 
+  // Returns true if there is a prerendered page for the given URL and it has
+  // finished loading. Only valid if called before MaybeUsePrerenderedPage.
+  bool DidPrerenderFinishLoading(const GURL& url) const;
+
   // Maintaining and querying the set of WebContents belonging to this
   // PrerenderManager that are currently showing prerendered pages.
   void MarkWebContentsAsPrerendered(content::WebContents* web_contents);
   void MarkWebContentsAsWouldBePrerendered(content::WebContents* web_contents);
   void MarkWebContentsAsNotPrerendered(content::WebContents* web_contents);
   bool IsWebContentsPrerendered(content::WebContents* web_contents) const;
   bool WouldWebContentsBePrerendered(content::WebContents* web_contents) const;
   bool IsOldRenderViewHost(const RenderViewHost* render_view_host) const;
 
   // Checks whether navigation to the provided URL has occurred in a visible
@@ skipping 265 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderManager);
 };
 
 PrerenderManager* FindPrerenderManagerUsingRenderProcessId(
     int render_process_id);
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_