Indicate in the tab UI if appcache creation was blocked by privacy settings.

chrome/browser/appcache/appcache_frontend_proxy.cc

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// 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"
 
 void AppCacheFrontendProxy::OnCacheSelected(int host_id, int64 cache_id ,
                                             appcache::Status status) {
   sender_->Send(new AppCacheMsg_CacheSelected(host_id, cache_id, status));
 }
 
 void AppCacheFrontendProxy::OnStatusChanged(const std::vector<int>& host_ids,
                                             appcache::Status status) {
   sender_->Send(new AppCacheMsg_StatusChanged(host_ids, status));
 }
 
 void AppCacheFrontendProxy::OnEventRaised(const std::vector<int>& host_ids,
                                           appcache::EventID event_id) {
   sender_->Send(new AppCacheMsg_EventRaised(host_ids, event_id));
 }
+
+void AppCacheFrontendProxy::OnContentBlocked(int host_id) {
+  sender_->Send(new AppCacheMsg_ContentBlocked(host_id));
+}