Convert //cc from scoped_ptr to std::unique_ptr.

cc/animation/timing_function.h

 // Copyright 2012 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 CC_ANIMATION_TIMING_FUNCTION_H_
 #define CC_ANIMATION_TIMING_FUNCTION_H_
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "ui/gfx/geometry/cubic_bezier.h"
 
 namespace cc {
 
 // See http://www.w3.org/TR/css3-transitions/.
 class CC_EXPORT TimingFunction {
  public:
   virtual ~TimingFunction();
 
   virtual float GetValue(double t) const = 0;
   virtual float Velocity(double time) const = 0;
   // The smallest and largest values returned by GetValue for inputs in [0, 1].
   virtual void Range(float* min, float* max) const = 0;
-  virtual scoped_ptr<TimingFunction> Clone() const = 0;
+  virtual std::unique_ptr<TimingFunction> Clone() const = 0;
 
  protected:
   TimingFunction();
 
  private:
   DISALLOW_ASSIGN(TimingFunction);
 };
 
 class CC_EXPORT CubicBezierTimingFunction : public TimingFunction {
  public:
-  static scoped_ptr<CubicBezierTimingFunction> Create(double x1, double y1,
-                                                      double x2, double y2);
+  static std::unique_ptr<CubicBezierTimingFunction> Create(double x1,
+                                                           double y1,
+                                                           double x2,
+                                                           double y2);
   ~CubicBezierTimingFunction() override;
 
   // TimingFunction implementation.
   float GetValue(double time) const override;
   float Velocity(double time) const override;
   void Range(float* min, float* max) const override;
-  scoped_ptr<TimingFunction> Clone() const override;
+  std::unique_ptr<TimingFunction> Clone() const override;
 
  protected:
   CubicBezierTimingFunction(double x1, double y1, double x2, double y2);
 
   gfx::CubicBezier bezier_;
 
  private:
   DISALLOW_ASSIGN(CubicBezierTimingFunction);
 };
 
 class CC_EXPORT EaseTimingFunction {
  public:
-  static scoped_ptr<TimingFunction> Create();
+  static std::unique_ptr<TimingFunction> Create();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(EaseTimingFunction);
 };
 
 class CC_EXPORT EaseInTimingFunction {
  public:
-  static scoped_ptr<TimingFunction> Create();
+  static std::unique_ptr<TimingFunction> Create();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(EaseInTimingFunction);
 };
 
 class CC_EXPORT EaseOutTimingFunction {
  public:
-  static scoped_ptr<TimingFunction> Create();
+  static std::unique_ptr<TimingFunction> Create();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(EaseOutTimingFunction);
 };
 
 class CC_EXPORT EaseInOutTimingFunction {
  public:
-  static scoped_ptr<TimingFunction> Create();
+  static std::unique_ptr<TimingFunction> Create();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(EaseInOutTimingFunction);
 };
 
 class CC_EXPORT StepsTimingFunction : public TimingFunction {
  public:
-  static scoped_ptr<StepsTimingFunction> Create(int steps,
-                                                float steps_start_offset);
+  static std::unique_ptr<StepsTimingFunction> Create(int steps,
+                                                     float steps_start_offset);
   ~StepsTimingFunction() override;
 
   float GetValue(double t) const override;
-  scoped_ptr<TimingFunction> Clone() const override;
+  std::unique_ptr<TimingFunction> Clone() const override;
 
   void Range(float* min, float* max) const override;
   float Velocity(double time) const override;
 
  protected:
   StepsTimingFunction(int steps, float steps_start_offset);
 
  private:
   int steps_;
   float steps_start_offset_;
 
   DISALLOW_ASSIGN(StepsTimingFunction);
 };
 
 }  // namespace cc
 
 #endif  // CC_ANIMATION_TIMING_FUNCTION_H_