More scaffolding, add class ServiceWorkerProviderHost.

content/browser/service_worker/service_worker_provider_host.cc

Index: content/browser/service_worker/service_worker_provider_host.cc
diff --git a/content/browser/service_worker/service_worker_provider_host.cc b/content/browser/service_worker/service_worker_provider_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..871343bac6915aaadf2850d60bea233df5c3eb87
--- /dev/null
+++ b/content/browser/service_worker/service_worker_provider_host.cc
@@ -0,0 +1,19 @@
+// 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/browser/service_worker/service_worker_provider_host.h"
+
+#include "content/browser/service_worker/service_worker_version.h"
+
+namespace content {
+
+ServiceWorkerProviderHost::ServiceWorkerProviderHost(
+    int process_id, int provider_id)
+    : process_id_(process_id), provider_id_(provider_id) {
+}
+
+ServiceWorkerProviderHost::~ServiceWorkerProviderHost() {
+}
+
+}  // namespace content