Get IPC working for Indexed DB in shared workers.

content/shell/shell_resource_context.cc

 // Copyright (c) 2011 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.
 
 #include "content/shell/shell_resource_context.h"
 
 #include "content/browser/chrome_blob_storage_context.h"
 #include "content/shell/shell_url_request_context_getter.h"
 
 namespace content {
@@ skipping 46 matching lines @@
 
 media_stream::MediaStreamManager*
     ShellResourceContext::GetMediaStreamManager() {
   return NULL;
 }
 
 AudioManager* ShellResourceContext::GetAudioManager() {
   return NULL;
 }
 
+WebKitContext* ShellResourceContext::GetWebKitContext() {
+  return NULL;
+}
+
 }  // namespace content