Make the id used in IconMsg_DownloadFavicon unique

chrome/browser/ui/views/ash/balloon_view_ash.cc

 // 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.
 
 #include "chrome/browser/ui/views/ash/balloon_view_ash.h"
 
 #include "ash/shell.h"
 #include "ash/system/status_area_widget.h"
 #include "ash/system/web_notification/web_notification_tray.h"
 #include "base/logging.h"
+#include "chrome/browser/favicon/favicon_util.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/notifications/balloon_collection.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/icon_messages.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
@@ skipping 18 matching lines @@
  public:
   IconFetcher(content::WebContents* web_contents,
               const std::string& notification_id,
               const GURL& icon_url)
       : content::WebContentsObserver(web_contents),
         request_id_(0),
         notification_id_(notification_id),
         icon_url_(icon_url) {
     Observe(web_contents);
     content::RenderViewHost* host = web_contents->GetRenderViewHost();
-    host->Send(new IconMsg_DownloadFavicon(host->GetRoutingID(),
-                                           ++request_id_,
-                                           icon_url,
-                                           kNotificationIconImageSize));
+    request_id_ = FaviconUtil::DownloadFavicon(host,
+                                               icon_url,
+                                               kNotificationIconImageSize);
   }
 
   // content::WebContentsObserver override.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE {
     bool message_handled = false;   // Allow other handlers to receive these.
     IPC_BEGIN_MESSAGE_MAP(IconFetcher, message)
       IPC_MESSAGE_HANDLER(IconHostMsg_DidDownloadFavicon, OnDidDownloadFavicon)
       IPC_MESSAGE_UNHANDLED(message_handled = false)
     IPC_END_MESSAGE_MAP()
     return message_handled;
@@ skipping 93 matching lines @@
   ExtensionService* extension_service =
       balloon_->profile()->GetExtensionService();
   const GURL& origin = balloon_->notification().origin_url();
   const extensions::Extension* extension =
       extension_service->extensions()->GetExtensionOrAppByURL(
           ExtensionURLInfo(origin));
   if (extension)
     return extension->id();
   return std::string();
 }