Implement the infrastructure of creating WorkerFetchContext in worker global scope.

content/renderer/service_worker/worker_fetch_context_info_impl.h

Index: content/renderer/service_worker/worker_fetch_context_info_impl.h
diff --git a/content/renderer/service_worker/worker_fetch_context_info_impl.h b/content/renderer/service_worker/worker_fetch_context_info_impl.h
new file mode 100644
index 0000000000000000000000000000000000000000..a01c095adb5a2886f71be84da0bca34cfcd8c7ba
--- /dev/null
+++ b/content/renderer/service_worker/worker_fetch_context_info_impl.h
@@ -0,0 +1,36 @@
+// Copyright 2017 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.
+
+#ifndef CONTENT_RENDERER_SERVICE_WORKER_WORKER_FETCH_CONTEXT_INFO_IMPL_H_
+#define CONTENT_RENDERER_SERVICE_WORKER_WORKER_FETCH_CONTEXT_INFO_IMPL_H_
+
+#include "content/common/worker_fetch_context_factory.mojom.h"
+#include "third_party/WebKit/public/platform/WebWorkerFetchContextInfo.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}  // namespace base
+
+namespace blink {
+class WebWorkerFetchContext;
+}  // namespace blink
+
+namespace content {
+
+class WorkerFetchContextInfoImpl : public blink::WebWorkerFetchContextInfo {
+ public:
+  explicit WorkerFetchContextInfoImpl(
+      mojom::WorkerFetchContextFactoryPtrInfo factory_info);
+  ~WorkerFetchContextInfoImpl() override;
+
+  std::unique_ptr<blink::WebWorkerFetchContext> CreateContext(
+      base::SingleThreadTaskRunner* loading_task_runner) override;
+
+ private:
+  mojom::WorkerFetchContextFactoryPtrInfo factory_info_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_SERVICE_WORKER_WORKER_FETCH_CONTEXT_INFO_IMPL_H_