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

chrome/browser/intents/register_intent_handler_infobar_delegate.cc

 // 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.
 
 #include "chrome/browser/intents/register_intent_handler_infobar_delegate.h"
 
 #include "base/logging.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/favicon/favicon_service.h"
 #include "chrome/browser/intents/web_intents_registry.h"
 #include "chrome/browser/intents/web_intents_registry_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "grit/generated_resources.h"
 #include "ui/base/l10n/l10n_util.h"
 
 RegisterIntentHandlerInfoBarDelegate::RegisterIntentHandlerInfoBarDelegate(
     InfoBarTabHelper* infobar_helper,
     WebIntentsRegistry* registry,
-    const webkit_glue::WebIntentServiceData& service)
+    const webkit_glue::WebIntentServiceData& service,
+    FaviconService* favicon_service,
+    const GURL& origin_url)
     : ConfirmInfoBarDelegate(infobar_helper),
       registry_(registry),
-      service_(service) {
+      service_(service),
+      favicon_service_(favicon_service),
+      origin_url_(origin_url) {
 }
 
 InfoBarDelegate::Type
     RegisterIntentHandlerInfoBarDelegate::GetInfoBarType() const {
   return PAGE_ACTION_TYPE;
 }
 
 string16 RegisterIntentHandlerInfoBarDelegate::GetMessageText() const {
   return l10n_util::GetStringFUTF16(
       IDS_REGISTER_INTENT_HANDLER_CONFIRM,
       service_.title,
       UTF8ToUTF16(service_.service_url.host()));
 }
 
 string16 RegisterIntentHandlerInfoBarDelegate::GetButtonLabel(
     InfoBarButton button) const {
   if (button == BUTTON_OK) {
     return l10n_util::GetStringFUTF16(IDS_REGISTER_INTENT_HANDLER_ACCEPT,
                                       UTF8ToUTF16(service_.service_url.host()));
   }
 
   DCHECK(button == BUTTON_CANCEL);
   return l10n_util::GetStringUTF16(IDS_REGISTER_INTENT_HANDLER_DENY);
 }
 
 bool RegisterIntentHandlerInfoBarDelegate::Accept() {
   registry_->RegisterIntentProvider(service_);
+
+  // Register a temporary FavIcon in case we never visited the provider page.
+  if (favicon_service_ && origin_url_ != service_.service_url)
+    favicon_service_->CloneFavicon(origin_url_, service_.service_url);
+
   return true;
 }
 
 string16 RegisterIntentHandlerInfoBarDelegate::GetLinkText() const {
   return l10n_util::GetStringUTF16(IDS_LEARN_MORE);
 }
 
 bool RegisterIntentHandlerInfoBarDelegate::LinkClicked(
     WindowOpenDisposition disposition) {
   // TODO(jhawkins): Open the Web Intents Help Center article once it is
   // written.
   // TODO(jhawkins): Add associated bug for the article here.
   return false;
 }