ServiceWorker: Rename Client interface to ServiceWorkerClient

Source/modules/serviceworkers/Client.h

-// 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 Client_h
-#define Client_h
-
-#include "bindings/core/v8/ScriptWrappable.h"
-#include "bindings/core/v8/SerializedScriptValue.h"
-#include "platform/heap/Handle.h"
-#include "wtf/Forward.h"
-
-namespace blink {
-
-class Client FINAL : public RefCountedWillBeGarbageCollected<Client>, public ScriptWrappable {
-    DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(Client);
-public:
-    static PassRefPtrWillBeRawPtr<Client> create(unsigned id);
-
-    // Client.idl
-    unsigned id() const { return m_id; }
-    void postMessage(ExecutionContext*, PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionState&);
-
-    void trace(Visitor*) { }
-
-private:
-    explicit Client(unsigned id);
-
-    unsigned m_id;
-};
-
-} // namespace blink
-
-#endif // Client_h