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

chrome/common/appcache/appcache_dispatcher.h

Index: chrome/common/appcache/appcache_dispatcher.h
diff --git a/chrome/common/appcache/appcache_dispatcher.h b/chrome/common/appcache/appcache_dispatcher.h
index 9eaef6a98983b499026ad94fe74583a803c56b81..4f3b50c6577303f9380189c935f6cb324e161c9a 100644
--- a/chrome/common/appcache/appcache_dispatcher.h
+++ b/chrome/common/appcache/appcache_dispatcher.h
@@ -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.
 
@@ -31,6 +31,7 @@ class AppCacheDispatcher {
                        appcache::Status status);
   void OnEventRaised(const std::vector<int>& host_ids,
                      appcache::EventID event_id);
+  void OnContentBlocked(int host_id);
 
   AppCacheBackendProxy backend_proxy_;
   appcache::AppCacheFrontendImpl frontend_impl_;