Pass load events from prerenders to launching elements.

chrome/browser/prerender/prerender_handle.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_HANDLE_H_
 #define CHROME_BROWSER_PRERENDER_PRERENDER_HANDLE_H_
 
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "base/threading/non_thread_safe.h"
@@ skipping 17 matching lines @@
 // starting. Destroying a handle while a prerendering is running will stop the
 // prerender, without making any calls to the observer.
 class PrerenderHandle : public base::NonThreadSafe,
                         public PrerenderContents::Observer {
  public:
   class Observer {
    public:
     // Signals that the prerender has started running.
     virtual void OnPrerenderStart(PrerenderHandle* handle) = 0;
 
+    // Signals that the prerender has had its load event.
+    virtual void OnPrerenderStopLoading(PrerenderHandle* handle) = 0;
+
     // Signals that the prerender has stopped running.
     virtual void OnPrerenderStop(PrerenderHandle* handle) = 0;
 
     // Signals the discovery, through redirects, of a new alias for this
     // prerender.
     virtual void OnPrerenderAddAlias(PrerenderHandle* handle,
                                      const GURL& alias_url) = 0;
 
    protected:
     Observer();
@@ skipping 25 matching lines @@
 
  private:
   friend class PrerenderManager;
 
   explicit PrerenderHandle(PrerenderManager::PrerenderData* prerender_data);
 
   void AdoptPrerenderDataFrom(PrerenderHandle* other_handle);
 
   // From PrerenderContents::Observer:
   virtual void OnPrerenderStart(PrerenderContents* prerender_contents) OVERRIDE;
+  virtual void OnPrerenderStopLoading(PrerenderContents* prerender_contents)
+      OVERRIDE;
   virtual void OnPrerenderStop(PrerenderContents* prerender_contents) OVERRIDE;
   virtual void OnPrerenderAddAlias(PrerenderContents* prerender_contents,
                                    const GURL& alias_url) OVERRIDE;
   virtual void OnPrerenderCreatedMatchCompleteReplacement(
       PrerenderContents* contents, PrerenderContents* replacement) OVERRIDE;
 
   Observer* observer_;
 
   base::WeakPtr<PrerenderManager::PrerenderData> prerender_data_;
   base::WeakPtrFactory<PrerenderHandle> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderHandle);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_HANDLE_H_