convert //gpu to std::unique_ptr

gpu/perftests/measurements.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 GPU_PERFTESTS_MEASUREMENTS_H_
 #define GPU_PERFTESTS_MEASUREMENTS_H_
 
+#include <memory>
 #include <string>
 
-#include "base/memory/scoped_ptr.h"
 #include "base/time/time.h"
 
 namespace gfx {
 class GPUTimingClient;
 class GPUTimer;
 }
 
 namespace gpu {
 
 struct Measurement {
@@ skipping 21 matching lines @@
 class MeasurementTimers {
  public:
   explicit MeasurementTimers(gfx::GPUTimingClient* gpu_timing_client);
   void Record();
   Measurement GetAsMeasurement(const std::string& name);
   ~MeasurementTimers();
 
  private:
   base::TimeTicks wall_time_start_;
   base::ThreadTicks cpu_time_start_;
-  scoped_ptr<gfx::GPUTimer> gpu_timer_;
+  std::unique_ptr<gfx::GPUTimer> gpu_timer_;
 
   base::TimeDelta wall_time_;
   base::TimeDelta cpu_time_;
 };
 
 }  // namespace gpu
 
 #endif  // GPU_PERFTESTS_MEASUREMENTS_H_