Migrate WebVR Cardboard implementation to GVR

device/vr/android/vr_jni_registrar.h

-// Copyright 2016 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 DEVICE_VR_ANDROID_VR_JNI_REGISTRAR_H_
-#define DEVICE_VR_ANDROID_VR_JNI_REGISTRAR_H_
-
-#include <jni.h>
-
-#include "device/vr/vr_export.h"
-
-namespace device {
-namespace android {
-
-// Registers C++ methods in device/vr classes with JNI.
-// See https://www.chromium.org/developers/design-documents/android-jni
-//
-// Must be called before classes in the VR module are used.
-DEVICE_VR_EXPORT bool RegisterVRJni(JNIEnv* env);
-
-}  // namespace android
-}  // namespace device
-
-#endif  // DEVICE_VR_ANDROID_VR_JNI_REGISTRAR_H_