Support touch icon in FaviconHelper

chrome/browser/ui/webui/favicon_source.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_UI_WEBUI_FAVICON_SOURCE_H_
 #define CHROME_BROWSER_UI_WEBUI_FAVICON_SOURCE_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/ref_counted.h"
 #include "chrome/browser/favicon_service.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 
 class GURL;
 class Profile;
 
 // FaviconSource is the gateway between network-level chrome:
 // requests for favicons and the history backend that serves these.
 class FaviconSource : public ChromeURLDataManager::DataSource {
  public:
-  explicit FaviconSource(Profile* profile);
+  FaviconSource(Profile* profile, const std::string& favicon_host);

[sky, 2011/03/22 19:48:48]

This isn't related to this patch, right? Please keep in a separate patch.

[michaelbai, 2011/03/22 23:59:03]

Move them to another CL

 
   // Called when the network layer has requested a resource underneath
   // the path we registered.
   virtual void StartDataRequest(const std::string& path,
                                 bool is_off_the_record,
                                 int request_id);
 
   virtual std::string GetMimeType(const std::string&) const;
 
   virtual bool ShouldReplaceExistingSource() const;
 
  private:
   // Called when favicon data is available from the history backend.
   void OnFaviconDataAvailable(FaviconService::Handle request_handle,
                               history::FaviconData favicon);
 
   // Sends the default favicon.
   void SendDefaultResponse(int request_id);
 
   virtual ~FaviconSource();
 
   Profile* profile_;
   CancelableRequestConsumerT<int, 0> cancelable_consumer_;
 
   // Raw PNG representation of the favicon to show when the favicon
   // database doesn't have a favicon for a webpage.
   scoped_refptr<RefCountedMemory> default_favicon_;
 
+  // The types of icon that this FaviconSource handles.
+  const int icon_types_;
+
   DISALLOW_COPY_AND_ASSIGN(FaviconSource);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_FAVICON_SOURCE_H_