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

chrome/browser/appcache/appcache_frontend_proxy.cc

Index: chrome/browser/appcache/appcache_frontend_proxy.cc
diff --git a/chrome/browser/appcache/appcache_frontend_proxy.cc b/chrome/browser/appcache/appcache_frontend_proxy.cc
index c0448592d565b6f81ebb62e106ab174610f48451..d81244cc3bb2c0c908992d00b2a1b305f0b4dae5 100644
--- a/chrome/browser/appcache/appcache_frontend_proxy.cc
+++ b/chrome/browser/appcache/appcache_frontend_proxy.cc
@@ -1,4 +1,4 @@
-// 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.
 
@@ -20,3 +20,7 @@ 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));
+}