Added prerendering to omnibox.

chrome/browser/prerender/prerender_manager.h

 // Copyright (c) 2011 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 <map>
@@ skipping 70 matching lines @@
   // RenderViewHost that the prerender request came from and is used to
   // set the initial window size of the RenderViewHost used for prerendering.
   // Returns true if the URL was added, false if it was not.
   // If |child_route_id_pair| itself is prerendering, adds the preloads as
   // a pending preload.
   bool AddPreload(
       const std::pair<int, int>& child_route_id_pair,
       const GURL& url,
       const GURL& referrer);
 
+  // Starts a prerender for |url| if valid. As the prerender request is coming
+  // from a source without a RenderViewHost (ie, the omnibox) we don't have a
+  // child or route id, or a referrer. This method uses sensible values for
+  // those.
+  bool AddPrerenderWithNoTag(const GURL& url);

[cbentzel, 2011/06/20 18:06:01]

Can you be consistent about the AddPreload/AddPrerender name? I'm fine with
moving to AddPrerender.

[dominich, 2011/06/20 18:40:00]

Done.

+
   // Destroy all preloads for the given child route id pair and assign a final
   // status to them.
   virtual void DestroyPreloadForChildRouteIdPair(
       const std::pair<int, int>& child_route_id_pair,
       FinalStatus final_status);
 
   // For a given TabContents that wants to navigate to the URL supplied,
   // determines whether a preloaded version of the URL can be used,
   // and substitutes the prerendered RVH into the TabContents.  Returns
   // whether or not a prerendered RVH could be used or not.
@@ skipping 241 matching lines @@
   ScopedRunnableMethodFactory<PrerenderManager> runnable_method_factory_;
 
   ScopedVector<OnCloseTabContentsDeleter> on_close_tab_contents_deleters_;
 
   DISALLOW_COPY_AND_ASSIGN(PrerenderManager);
 };
 
 }  // namespace prerender
 
 #endif  // CHROME_BROWSER_PRERENDER_PRERENDER_MANAGER_H_