move favicon download code from chrome/ into content/

content/browser/web_contents/web_contents_impl.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 CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 29 matching lines @@
 namespace webkit_glue {
 struct WebIntentData;
 struct WebIntentServiceData;
 }
 
 namespace content {
 class BrowserPluginEmbedder;
 class BrowserPluginGuest;
 class ColorChooser;
 class DownloadItem;
+class FaviconDownloadDelegate;
 class InterstitialPageImpl;
 class JavaScriptDialogCreator;
 class RenderViewHost;
 class RenderViewHostDelegateView;
 class RenderViewHostImpl;
 class RenderWidgetHostImpl;
 class SavePackage;
 class SessionStorageNamespaceImpl;
 class SiteInstance;
 class TestWebContents;
 class WebContentsDelegate;
 class WebContentsImpl;
 class WebContentsObserver;
 class WebContentsView;
 class WebContentsViewDelegate;
+struct FaviconURL;
 struct LoadNotificationDetails;
 
 // Factory function for the implementations that content knows about. Takes
 // ownership of |delegate|.
 WebContentsView* CreateWebContentsView(
     WebContentsImpl* web_contents,
     WebContentsViewDelegate* delegate,
     RenderViewHostDelegateView** render_view_host_delegate_view);
 
 class CONTENT_EXPORT WebContentsImpl
@@ skipping 195 matching lines @@
   virtual int GetMaximumZoomPercent() const OVERRIDE;
   virtual gfx::Size GetPreferredSize() const OVERRIDE;
   virtual int GetContentRestrictions() const OVERRIDE;
   virtual WebUI::TypeID GetWebUITypeForCurrentState() OVERRIDE;
   virtual WebUI* GetWebUIForCurrentState() OVERRIDE;
   virtual bool GotResponseToLockMouseRequest(bool allowed) OVERRIDE;
   virtual bool HasOpener() const OVERRIDE;
   virtual void DidChooseColorInColorChooser(int color_chooser_id,
                                             SkColor color) OVERRIDE;
   virtual void DidEndColorChooser(int color_chooser_id) OVERRIDE;
+  virtual int DownloadFavicon(const GURL& url, int image_size) OVERRIDE;
+  virtual void RegisterFaviconDelegate(
+      FaviconDownloadDelegate* delegate) OVERRIDE;
 
   // Implementation of PageNavigator.
   virtual WebContents* OpenURL(const OpenURLParams& params) OVERRIDE;
 
   // Implementation of IPC::Sender.
   virtual bool Send(IPC::Message* message) OVERRIDE;
 
   // RenderViewHostDelegate ----------------------------------------------------
 
   virtual RenderViewHostDelegateView* GetDelegateView() OVERRIDE;
@@ skipping 274 matching lines @@
                           bool is_hung);
   void OnWebUISend(const GURL& source_url,
                    const std::string& name,
                    const base::ListValue& args);
   void OnRequestPpapiBrokerPermission(int request_id,
                                       const GURL& url,
                                       const FilePath& plugin_path);
   void OnBrowserPluginCreateGuest(
       int instance_id,
       const BrowserPluginHostMsg_CreateGuest_Params& params);
+  void OnDidDownloadFavicon(int id,
+                            const GURL& image_url,
+                            bool errored,
+                            int requested_size,
+                            const std::vector<SkBitmap>& bitmaps);
+  void OnUpdateFaviconURL(int32 page_id,
+                          const std::vector<FaviconURL>& candidates);
 
   // Changes the IsLoading state and notifies delegate as needed
   // |details| is used to provide details on the load that just finished
   // (but can be null if not applicable). Can be overridden.
   void SetIsLoading(bool is_loading,
                     LoadNotificationDetails* details);
 
   // Called by derived classes to indicate that we're no longer waiting for a
   // response. This won't actually update the throbber, but it will get picked
   // up at the next animation step if the throbber is going.
@@ skipping 267 matching lines @@
   NotificationRegistrar registrar_;
 
   // Used during IPC message dispatching so that the handlers can get a pointer
   // to the RVH through which the message was received.
   RenderViewHost* message_source_;
 
   // All live RenderWidgetHostImpls that are created by this object and may
   // outlive it.
   std::set<RenderWidgetHostImpl*> created_widgets_;
 
+  // Tracks all pending favicon downloads.
+  typedef std::set<int> DownloadIdList;
+  DownloadIdList favicon_download_ids_;
+
+  // Delegate for notifying about favicon-related events. Not owned by us.
+  FaviconDownloadDelegate* favicon_download_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_