Initial implementation of ServiceWorkerGlobalScope.fetch()

Source/modules/serviceworkers/FetchManager.h

Index: Source/modules/serviceworkers/FetchManager.h
diff --git a/Source/modules/serviceworkers/FetchManager.h b/Source/modules/serviceworkers/FetchManager.h
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+// Copyright 2014 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 FetchManager_h
+#define FetchManager_h
+
+#include "bindings/v8/ScriptPromise.h"
+#include "wtf/HashSet.h"
+#include "wtf/OwnPtr.h"
+
+namespace WebCore {
+
+class ExecutionContext;
+class ScriptState;
+class ResourceRequest;
+
+class FetchManager {
+public:
+    FetchManager(ExecutionContext*);
+    ~FetchManager();
+    ScriptPromise fetch(ScriptState*, PassOwnPtr<ResourceRequest>);
+
+private:
+    class Loader;
+
+    // Removes loader from |m_loaders|.
+    void removeLoader(Loader*);
+
+    ExecutionContext* m_executionContext;
+    HashSet<OwnPtr<Loader> > m_loaders;
+};
+
+} // namespace WebCore
+
+#endif // FetchManager_h