Initial child-process side plumbing for starting an embedded ServiceWorker context

content/renderer/service_worker/service_worker_context_message_filter.cc

Index: content/renderer/service_worker/service_worker_context_message_filter.cc
diff --git a/content/renderer/service_worker/service_worker_context_message_filter.cc b/content/renderer/service_worker/service_worker_context_message_filter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..0faa51e72bfaefe05ba0245b15c48e19af8b2163
--- /dev/null
+++ b/content/renderer/service_worker/service_worker_context_message_filter.cc
@@ -0,0 +1,30 @@
+// Copyright 2013 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/renderer/service_worker/service_worker_context_message_filter.h"
+
+#include "content/renderer/service_worker/service_worker_context_client.h"
+#include "ipc/ipc_message_macros.h"
+
+namespace content {
+
+ServiceWorkerContextMessageFilter::ServiceWorkerContextMessageFilter() {}
+ServiceWorkerContextMessageFilter::~ServiceWorkerContextMessageFilter() {}
+
+bool ServiceWorkerContextMessageFilter::CanHandleMessage(
+    const IPC::Message& msg) {
+  // return IPC_MESSAGE_CLASS(msg) == ServiceWorkerContextMsgStart;
+  return false;
+}
+
+void ServiceWorkerContextMessageFilter::OnMessageReceivedOnTargetThread(
+    const IPC::Message& msg) {
+  ServiceWorkerContextClient* client =
+      ServiceWorkerContextClient::ThreadSpecificInstance();
+  if (!client)
+    return;
+  client->OnMessageReceived(msg);
+}
+
+}  // namespace content