Reland of Android WebVR implementation, Cardboard 0.5.5 SDK

content/browser/vr/android/cardboard/cardboard_vr_device.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 CONTENT_BROWSER_VR_CARDBOARD_VR_DEVICE_H
+#define CONTENT_BROWSER_VR_CARDBOARD_VR_DEVICE_H
+
+#include <jni.h>
+
+#include "base/android/jni_android.h"
+#include "base/basictypes.h"
+#include "content/browser/vr/vr_device.h"
+
+namespace content {
+
+class CardboardVRDevice : public VRDevice {
+ public:
+  static bool RegisterCardboardVRDevice(JNIEnv* env);
+
+  explicit CardboardVRDevice(VRDeviceProvider* provider);
+  ~CardboardVRDevice() override;
+
+  VRDeviceInfoPtr GetVRDevice() override;
+  VRSensorStatePtr GetSensorState() override;
+  void ResetSensor() override;
+
+ private:
+  base::android::ScopedJavaGlobalRef<jobject> j_cardboard_device_;
+  base::android::ScopedJavaGlobalRef<jfloatArray> j_head_matrix_;
+
+  unsigned int frame_index_;
+
+  DISALLOW_COPY_AND_ASSIGN(CardboardVRDevice);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_VR_CARDBOARD_VR_DEVICE_H