Move WebVR public headers into public/platform/modules/vr

public/platform/modules/vr/WebVRClient.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 WebVRClient_h
 #define WebVRClient_h
 
 #include "public/platform/WebCallbacks.h"
-#include "public/platform/WebVR.h"
 #include "public/platform/WebVector.h"
+#include "public/platform/modules/vr/WebVR.h"
 
 namespace blink {
 
 // Success and failure callbacks for getDevices.
 typedef WebCallbacks<WebVector<blink::WebVRDevice>, void> WebVRGetDevicesCallback;
 
 // Client handling VR device communication for a given WebFrame.
 class WebVRClient {
 public:
     virtual ~WebVRClient() { }
 
     virtual void getDevices(WebVRGetDevicesCallback*) = 0;
 
     virtual void getSensorState(unsigned index, blink::WebHMDSensorState& into) = 0;
 
     virtual void resetSensor(unsigned index) = 0;
 };
 
 } // namespace blink
 
 #endif // WebVRClient_h