Implement the infrastructure of creating WorkerFetchContext in worker global scope.

third_party/WebKit/Source/core/loader/WorkerFetchContext.h

Index: third_party/WebKit/Source/core/loader/WorkerFetchContext.h
diff --git a/third_party/WebKit/Source/core/loader/WorkerFetchContext.h b/third_party/WebKit/Source/core/loader/WorkerFetchContext.h
new file mode 100644
index 0000000000000000000000000000000000000000..4b492424c2c06c75532919d850e46ff45554a41d
--- /dev/null
+++ b/third_party/WebKit/Source/core/loader/WorkerFetchContext.h
@@ -0,0 +1,45 @@
+// 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 WorkerFetchContext_h
+#define WorkerFetchContext_h
+
+#include <memory>
+#include "core/CoreExport.h"
+#include "core/workers/WorkerClients.h"
+#include "platform/loader/fetch/FetchContext.h"
+#include "wtf/Forward.h"

[nhiroki, 2017/04/14 04:09:24]

wtf/Forward.h is deprecated. Can you replace this with platform/wtf/Forward.h?

[horo, 2017/04/14 07:22:45]

Done.

+
+namespace blink {
+
+class ExecutionContext;
+class WorkerClients;
+class WebURLLoader;
+class WebWorkerFetchContext;
+class WebWorkerFetchContextInfo;
+
+CORE_EXPORT void ProvideWorkerFetchContextInfoToWorker(
+    WorkerClients*,
+    std::unique_ptr<WebWorkerFetchContextInfo>);
+
+class WorkerFetchContext final : public FetchContext {
+ public:
+  static WorkerFetchContext* From(ExecutionContext&);
+
+  explicit WorkerFetchContext(std::unique_ptr<WebWorkerFetchContext>);
+  virtual ~WorkerFetchContext();
+
+  // FetchContext implementation:
+  // TODO(horo): Implement more methods.
+  void PrepareRequest(ResourceRequest&, RedirectType) override;
+  WebURLLoader* CreateURLLoader() override;
+  bool IsControlledByServiceWorker() const override;
+
+ private:
+  std::unique_ptr<WebWorkerFetchContext> context_;
+};
+
+}  // namespace blink
+
+#endif  // WorkerFetchContext_h