[Offline Pages] Make prerenderer notify us of network progress.

chrome/browser/prerender/prerender_link_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_link_manager.h"
 
 #include <functional>
 #include <limits>
 #include <memory>
 #include <set>
@@ skipping 114 matching lines @@
 
   void OnPrerenderStop(PrerenderContents* launcher) override {
     observed_launchers_.erase(launcher);
     if (launcher->final_status() == FINAL_STATUS_USED) {
       link_manager_->StartPendingPrerendersForLauncher(launcher);
     } else {
       link_manager_->CancelPendingPrerendersForLauncher(launcher);
     }
   }
 
+  void OnPrerenderNetworkBytesChanged(PrerenderContents* launcher) override {}
+
  private:
   // A pointer to the parent PrerenderLinkManager.
   PrerenderLinkManager* link_manager_;
 
   // The set of PrerenderContentses being observed. Lifetimes are managed by
   // OnPrerenderStop.
   std::set<PrerenderContents*> observed_launchers_;
 };
 
 PrerenderLinkManager::PrerenderLinkManager(PrerenderManager* manager)
@@ skipping 379 matching lines @@
   LinkPrerender* prerender = FindByPrerenderHandle(prerender_handle);
   if (!prerender)
     return;
 
   Send(prerender->launcher_child_id,
       new PrerenderMsg_OnPrerenderStop(prerender->prerender_id));
   RemovePrerender(prerender);
   StartPrerenders();
 }
 
+void PrerenderLinkManager::OnPrerenderNetworkBytesChanged(
+    PrerenderHandle* prerender_handle) {}
+
 }  // namespace prerender