Get IPC working for Indexed DB in shared workers.

content/worker/worker_thread.h

Index: content/worker/worker_thread.h
diff --git a/content/worker/worker_thread.h b/content/worker/worker_thread.h
index d1fb4abd40ce0cf7b915891fac8006c2056d768c..841642e8142944189d9b62501e6b1df4ab7768b6 100644
--- a/content/worker/worker_thread.h
+++ b/content/worker/worker_thread.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -12,6 +12,7 @@
 
 class AppCacheDispatcher;
 class DBMessageFilter;
+class IndexedDBMessageFilter;
 class WebDatabaseObserverImpl;
 class WebSharedWorkerStub;
 struct WorkerProcessMsg_CreateWorker_Params;
@@ -43,6 +44,7 @@ class WorkerThread : public ChildThread {
   scoped_ptr<AppCacheDispatcher> appcache_dispatcher_;
   scoped_ptr<WebDatabaseObserverImpl> web_database_observer_impl_;
   scoped_refptr<DBMessageFilter> db_message_filter_;
+  scoped_refptr<IndexedDBMessageFilter> indexed_db_message_filter_;
 
   typedef std::set<WebSharedWorkerStub*> WorkerStubsList;
   WorkerStubsList worker_stubs_;