Convert //content/browser from scoped_ptr to std::unique_ptr

content/browser/vr/android/cardboard/cardboard_vr_device_provider.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_PROVIDER_H
 #define CONTENT_BROWSER_VR_CARDBOARD_VR_DEVICE_PROVIDER_H
 
 #include <map>
+#include <memory>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "content/browser/vr/vr_device.h"
 #include "content/browser/vr/vr_device_provider.h"
 
 namespace content {
 
 class CardboardVRDeviceProvider : public VRDeviceProvider {
  public:
   CardboardVRDeviceProvider();
   ~CardboardVRDeviceProvider() override;
 
   void GetDevices(std::vector<VRDevice*>* devices) override;
   void Initialize() override;
 
  private:
-  scoped_ptr<VRDevice> cardboard_device_;
+  std::unique_ptr<VRDevice> cardboard_device_;
 
   DISALLOW_COPY_AND_ASSIGN(CardboardVRDeviceProvider);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_VR_CARDBOARD_VR_DEVICE_PROVIDER_H