Revert of Migrate WebVR Cardboard implementation to GVR

device/vr/android/cardboard/cardboard_vr_device_provider.h

Index: device/vr/android/cardboard/cardboard_vr_device_provider.h
diff --git a/device/vr/android/cardboard/cardboard_vr_device_provider.h b/device/vr/android/cardboard/cardboard_vr_device_provider.h
new file mode 100644
index 0000000000000000000000000000000000000000..4ee5acd5df12f1c81dbd1653fd6f04de8c9990f9
--- /dev/null
+++ b/device/vr/android/cardboard/cardboard_vr_device_provider.h
@@ -0,0 +1,33 @@
+// 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 DEVICE_VR_CARDBOARD_VR_DEVICE_PROVIDER_H
+#define DEVICE_VR_CARDBOARD_VR_DEVICE_PROVIDER_H
+
+#include <map>
+#include <memory>
+
+#include "base/macros.h"
+#include "device/vr/vr_device.h"
+#include "device/vr/vr_device_provider.h"
+
+namespace device {
+
+class CardboardVRDeviceProvider : public VRDeviceProvider {
+ public:
+  CardboardVRDeviceProvider();
+  ~CardboardVRDeviceProvider() override;
+
+  void GetDevices(std::vector<VRDevice*>* devices) override;
+  void Initialize() override;
+
+ private:
+  std::unique_ptr<VRDevice> cardboard_device_;
+
+  DISALLOW_COPY_AND_ASSIGN(CardboardVRDeviceProvider);
+};
+
+}  // namespace device
+
+#endif  // DEVICE_VR_CARDBOARD_VR_DEVICE_PROVIDER_H