Make the AppCacheDispatcherHost be a MessageFilter so that ResourceMessageFil...

chrome/browser/appcache/appcache_frontend_proxy.cc

 // Copyright (c) 2010 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/appcache/appcache_frontend_proxy.h"
 
 #include "chrome/common/render_messages.h"
 
+AppCacheFrontendProxy::AppCacheFrontendProxy(IPC::Message::Sender* sender)
+    : sender_(sender) {
+}
+
 void AppCacheFrontendProxy::OnCacheSelected(
     int host_id, const appcache::AppCacheInfo& info) {
   sender_->Send(new AppCacheMsg_CacheSelected(host_id, info));
 }
 
 void AppCacheFrontendProxy::OnStatusChanged(const std::vector<int>& host_ids,
                                             appcache::Status status) {
   sender_->Send(new AppCacheMsg_StatusChanged(host_ids, status));
 }
 
@@ skipping 20 matching lines @@
 void AppCacheFrontendProxy::OnLogMessage(int host_id,
                                          appcache::LogLevel log_level,
                                          const std::string& message) {
   sender_->Send(new AppCacheMsg_LogMessage(host_id, log_level, message));
 }
 
 void AppCacheFrontendProxy::OnContentBlocked(int host_id,
                                              const GURL& manifest_url) {
   sender_->Send(new AppCacheMsg_ContentBlocked(host_id, manifest_url));
 }