Provide assumed favicon for intents if service provider page was never visited.

chrome/browser/intents/register_intent_handler_infobar_delegate.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_INTENTS_REGISTER_INTENT_HANDLER_INFOBAR_DELEGATE_H_
 #define CHROME_BROWSER_INTENTS_REGISTER_INTENT_HANDLER_INFOBAR_DELEGATE_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/string16.h"
 #include "chrome/browser/tab_contents/confirm_infobar_delegate.h"
 #include "webkit/glue/web_intent_service_data.h"
 
 class TabContents;
 class WebIntentsRegistry;
+class FaviconService;
+class GURL;
 
 // The InfoBar used to request permission for a site to be registered as an
 // Intent handler.
 class RegisterIntentHandlerInfoBarDelegate : public ConfirmInfoBarDelegate {
  public:
   RegisterIntentHandlerInfoBarDelegate(
       InfoBarTabHelper* infobar_helper,
       WebIntentsRegistry* registry,
-      const webkit_glue::WebIntentServiceData& service);
+      const webkit_glue::WebIntentServiceData& service,
+      FaviconService* favicon_service,
+      const GURL& origin_url);
 
   // ConfirmInfoBarDelegate implementation.
   virtual Type GetInfoBarType() const OVERRIDE;
   virtual string16 GetMessageText() const OVERRIDE;
   virtual string16 GetButtonLabel(InfoBarButton button) const OVERRIDE;
   virtual bool Accept() OVERRIDE;
   virtual string16 GetLinkText() const OVERRIDE;
   virtual bool LinkClicked(WindowOpenDisposition disposition) OVERRIDE;
 
  private:
   // The web intents registry to use. Weak pointer.
   WebIntentsRegistry* registry_;
 
   // The cached intent service data bundle passed up from the renderer.
   webkit_glue::WebIntentServiceData service_;
 
+  // The favicon service to use. Weak pointer.
+  FaviconService* favicon_service_;
+
+  // The URL of the page the service was originally registered from.
+  GURL origin_url_;
+
   DISALLOW_COPY_AND_ASSIGN(RegisterIntentHandlerInfoBarDelegate);
 };
 
 #endif  // CHROME_BROWSER_INTENTS_REGISTER_INTENT_HANDLER_INFOBAR_DELEGATE_H_