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

webkit/appcache/web_application_cache_host_impl.h

Index: webkit/appcache/web_application_cache_host_impl.h
diff --git a/webkit/appcache/web_application_cache_host_impl.h b/webkit/appcache/web_application_cache_host_impl.h
index bb73e9a8a248367331223037491702d4a4a87c9c..b2e1e5300963d5cdd732114b3f60f1475147b824 100644
--- a/webkit/appcache/web_application_cache_host_impl.h
+++ b/webkit/appcache/web_application_cache_host_impl.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.
 
@@ -33,6 +33,7 @@ class WebApplicationCacheHostImpl : public WebKit::WebApplicationCacheHost {
   void OnCacheSelected(int64 selected_cache_id, appcache::Status status);
   void OnStatusChanged(appcache::Status);
   void OnEventRaised(appcache::EventID);
+  virtual void OnContentBlocked() {}
 
   // WebApplicationCacheHost methods
   virtual void willStartMainResourceRequest(WebKit::WebURLRequest&);