Add PrerenderLocalPredictor, which will eventually perform

chrome/browser/prerender/prerender_manager.h

Index: chrome/browser/prerender/prerender_manager.h
===================================================================
--- chrome/browser/prerender/prerender_manager.h	(revision 133528)
+++ chrome/browser/prerender/prerender_manager.h	(working copy)
@@ -52,6 +52,7 @@
 class PrerenderCondition;
 class PrerenderHistograms;
 class PrerenderHistory;
+class PrerenderLocalPredictor;
 class PrerenderTracker;
 
 // PrerenderManager is responsible for initiating and keeping prerendered
@@ -234,6 +235,8 @@
   // provided URL.
   void RecordNavigation(const GURL& url);
 
+  Profile* profile() const { return profile_; }
+
  protected:
   void SetPrerenderContentsFactory(
       PrerenderContents::Factory* prerender_contents_factory);
@@ -453,6 +456,8 @@
 
   scoped_ptr<PrerenderHistograms> histograms_;
 
+  scoped_ptr<PrerenderLocalPredictor> local_predictor_;
+
   scoped_ptr<MostVisitedSites> most_visited_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderManager);