Do conservative prerendering based on the LocalPredictor in Dev/Canary.

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_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 122 matching lines @@
   // from a source without a RenderViewHost (i.e., the omnibox) we don't have a
   // child or route id, or a referrer. This method uses sensible values for
   // those. The |session_storage_namespace| matches the namespace of the active
   // tab at the time the prerender is generated from the omnibox. Returns a
   // caller-owned PrerenderHandle*, or NULL.
   PrerenderHandle* AddPrerenderFromOmnibox(
       const GURL& url,
       content::SessionStorageNamespace* session_storage_namespace,
       const gfx::Size& size);
 
+  PrerenderHandle* AddPrerenderFromLocalPredictor(
+      const GURL& url,
+      content::SessionStorageNamespace* session_storage_namespace,
+      const gfx::Size& size);
+
   // If |process_id| and |view_id| refer to a running prerender, destroy
   // it with |final_status|.
   virtual void DestroyPrerenderForRenderView(int process_id,
                                              int view_id,
                                              FinalStatus final_status);
 
   // Cancels all active prerenders.
   void CancelAllPrerenders();
 
   // If |url| matches a valid prerendered page, try to swap it into
@@ skipping 140 matching lines @@
                                   const base::Closure& result_cb);
 
   Profile* profile() const { return profile_; }
 
   // Classes which will be tested in prerender unit browser tests should use
   // these methods to get times for comparison, so that the test framework can
   // mock advancing/retarding time.
   virtual base::Time GetCurrentTime() const;
   virtual base::TimeTicks GetCurrentTimeTicks() const;
 
+  scoped_refptr<predictors::LoggedInPredictorTable>
+  logged_in_predictor_table() {
+    return logged_in_predictor_table_;
+  }
+
  protected:
   class PrerenderData : public base::SupportsWeakPtr<PrerenderData> {
    public:
     struct OrderByExpiryTime;
 
     PrerenderData(PrerenderManager* manager,
                   PrerenderContents* contents,
                   base::TimeTicks expiry_time);
 
     ~PrerenderData();
@@ skipping 132 matching lines @@
   // WebContents that have been replaced by prerendered WebContents.
   // Also identifies and kills PrerenderContents that use too much
   // resources.
   void PeriodicCleanup();
 
   // Posts a task to call PeriodicCleanup.  Results in quicker destruction of
   // objects.  If |this| is deleted before the task is run, the task will
   // automatically be cancelled.
   void PostCleanupTask();
 
-  base::TimeTicks GetExpiryTimeForNewPrerender() const;
+  base::TimeTicks GetExpiryTimeForNewPrerender(Origin origin) const;
   base::TimeTicks GetExpiryTimeForNavigatedAwayPrerender() const;
 
   void DeleteOldEntries();
   virtual PrerenderContents* CreatePrerenderContents(
       const GURL& url,
       const content::Referrer& referrer,
       Origin origin,
       uint8 experiment_id);
 
   // Insures the |active_prerenders_| are sorted by increasing expiry time. Call
@@ skipping 151 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderManager);
 };
 
 PrerenderManager* FindPrerenderManagerUsingRenderProcessId(
     int render_process_id);
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_