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

webkit/appcache/appcache_request_handler_unittest.cc

Index: webkit/appcache/appcache_request_handler_unittest.cc
diff --git a/webkit/appcache/appcache_request_handler_unittest.cc b/webkit/appcache/appcache_request_handler_unittest.cc
index 88f3d035f140db82a7d6e2e5d7be8e5a4269f011..26091d92f30441f2bf31c6aec026ff57acab1840 100644
--- a/webkit/appcache/appcache_request_handler_unittest.cc
+++ b/webkit/appcache/appcache_request_handler_unittest.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.
 
@@ -28,6 +28,8 @@ class AppCacheRequestHandlerTest : public testing::Test {
 
     virtual void OnEventRaised(const std::vector<int>& host_ids,
                                appcache::EventID event_id) {}
+
+    virtual void OnContentBlocked(int host_id) {}
   };
 
   // Helper class run a test on our io_thread. The io_thread