Refactored VRService interaction and added VRServiceClient

third_party/WebKit/Source/modules/vr/VRDisplayCollection.h

-// Copyright 2015 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 VRDisplayCollection_h
-#define VRDisplayCollection_h
-
-#include "device/vr/vr_service.mojom-blink.h"
-#include "modules/vr/VRDisplay.h"
-#include "platform/heap/Handle.h"
-
-namespace blink {
-
-struct WebVRDevice;
-
-class VRDisplayCollection final : public GarbageCollected<VRDisplayCollection> {
-public:
-    explicit VRDisplayCollection(NavigatorVR*);
-
-    VRDisplayVector updateDisplays(mojo::WTFArray<device::blink::VRDisplayPtr>);
-    VRDisplay* getDisplayForIndex(unsigned index);
-
-    DECLARE_VIRTUAL_TRACE();
-
-private:
-    Member<NavigatorVR> m_navigatorVR;
-    HeapVector<Member<VRDisplay>> m_displays;
-};
-
-} // namespace blink
-
-#endif // VRDisplayCollection_h