Support touch icon in FaviconHelper

content/browser/tab_contents/tab_contents.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 CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 865 matching lines @@
   virtual bool IsExternalTabContainer() const;
   virtual void DidInsertCSS();
   virtual void FocusedNodeChanged(bool is_editable_node);
   virtual void UpdateZoomLimits(int minimum_percent,
                                 int maximum_percent,
                                 bool remember);
   virtual void WorkerCrashed();
   virtual void RequestDesktopNotificationPermission(const GURL& source_origin,
                                                     int callback_context);
 
+  void OnUpdateFaviconURL(int32 page_id,
+                          const std::vector<FaviconURL>& candidates);
   // RenderViewHostManager::Delegate -------------------------------------------
 
   // Blocks/unblocks interaction with renderer process.
   void BlockTabContent(bool blocked);
 
   virtual void BeforeUnloadFiredFromRenderManager(
       bool proceed,
       bool* proceed_to_fire_unload);
   virtual void DidStartLoadingFromRenderManager(
       RenderViewHost* render_view_host);
@@ skipping 59 matching lines @@
 
   // TabContentsSSLHelper, lazily created.
   scoped_ptr<TabContentsSSLHelper> ssl_helper_;
 
   // Handles drag and drop event forwarding to extensions.
   BookmarkDrag* bookmark_drag_;
 
   // Handles downloading favicons.
   scoped_ptr<FaviconHelper> favicon_helper_;
 
+  // Handles downloading touchicons. It is NULL if
+  // browser_defaults::kEnableTouchIcon is false.
+  scoped_ptr<FaviconHelper> touch_icon_helper_;
+
   // RenderViewHost::ContentSettingsDelegate.
   scoped_ptr<TabSpecificContentSettings> content_settings_delegate_;
 
   // Handles IPCs related to SafeBrowsing client-side phishing detection.
   scoped_ptr<safe_browsing::ClientSideDetectionHost>
       safebrowsing_detection_host_;
 
   // Data for loading state ----------------------------------------------------
 
   // Indicates whether we're currently loading a resource.
@@ skipping 130 matching lines @@
   ObserverList<TabContentsObserver> observers_;
 
   // Content restrictions, used to disable print/copy etc based on content's
   // (full-page plugins for now only) permissions.
   int content_restrictions_;
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_