Enable hidpi favicons for favicons history does not know about

chrome/browser/favicon/favicon_handler.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_FAVICON_FAVICON_HANDLER_H_
 #define CHROME_BROWSER_FAVICON_FAVICON_HANDLER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 137 matching lines @@
       history::IconType icon_type,
       CancelableRequestConsumerBase* consumer,
       const FaviconService::FaviconResultsCallback& callback);
 
   virtual void GetFaviconForURL(
       const GURL& page_url,
       int icon_types,
       CancelableRequestConsumerBase* consumer,
       const FaviconService::FaviconResultsCallback& callback);
 
-  virtual void SetHistoryFavicon(const GURL& page_url,
-                                 const GURL& icon_url,
-                                 const std::vector<unsigned char>& image_data,
-                                 history::IconType icon_type);
+  virtual void SetHistoryFavicons(
+      const GURL& page_url,
+      const GURL& icon_url,
+      history::IconType icon_type,
+      const gfx::Image& image);
 
   virtual FaviconService* GetFaviconService();
 
   // Returns true if the favicon should be saved.
   virtual bool ShouldSaveFavicon(const GURL& url);
 
  private:
   friend class TestFaviconHandler; // For testing
 
   struct DownloadRequest {
@@ skipping 124 matching lines @@
   // This handler's delegate.
   FaviconHandlerDelegate* delegate_;  // weak
 
   // Current favicon candidate.
   FaviconCandidate favicon_candidate_;
 
   DISALLOW_COPY_AND_ASSIGN(FaviconHandler);
 };
 
 #endif  // CHROME_BROWSER_FAVICON_FAVICON_HANDLER_H_