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

chrome/browser/appcache/appcache_frontend_proxy.h

Index: chrome/browser/appcache/appcache_frontend_proxy.h
diff --git a/chrome/browser/appcache/appcache_frontend_proxy.h b/chrome/browser/appcache/appcache_frontend_proxy.h
index 78865abec89efab86aa00ce2e27d749f10d18b6d..234e36cfd4e43b4e224c7948bb6f07e9675cd6d3 100644
--- a/chrome/browser/appcache/appcache_frontend_proxy.h
+++ b/chrome/browser/appcache/appcache_frontend_proxy.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.
 
@@ -24,6 +24,7 @@ class AppCacheFrontendProxy : public appcache::AppCacheFrontend {
                                appcache::Status status);
   virtual void OnEventRaised(const std::vector<int>& host_ids,
                              appcache::EventID event_id);
+  virtual void OnContentBlocked(int host_id);
 
  private:
   IPC::Message::Sender* sender_;