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

cc/animation/timing_function.h

Index: cc/animation/timing_function.h
diff --git a/cc/animation/timing_function.h b/cc/animation/timing_function.h
index ddc3c51d95df24169d32a96228ba23487d789180..0953a3974d05ac142d5f382e1f800d246998eb51 100644
--- a/cc/animation/timing_function.h
+++ b/cc/animation/timing_function.h
@@ -5,8 +5,9 @@
 #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"
 
@@ -21,7 +22,7 @@ class CC_EXPORT TimingFunction {
   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();
@@ -32,15 +33,17 @@ class CC_EXPORT 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);
@@ -53,7 +56,7 @@ class CC_EXPORT CubicBezierTimingFunction : public TimingFunction {
 
 class CC_EXPORT EaseTimingFunction {
  public:
-  static scoped_ptr<TimingFunction> Create();
+  static std::unique_ptr<TimingFunction> Create();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(EaseTimingFunction);
@@ -61,7 +64,7 @@ class CC_EXPORT EaseTimingFunction {
 
 class CC_EXPORT EaseInTimingFunction {
  public:
-  static scoped_ptr<TimingFunction> Create();
+  static std::unique_ptr<TimingFunction> Create();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(EaseInTimingFunction);
@@ -69,7 +72,7 @@ class CC_EXPORT EaseInTimingFunction {
 
 class CC_EXPORT EaseOutTimingFunction {
  public:
-  static scoped_ptr<TimingFunction> Create();
+  static std::unique_ptr<TimingFunction> Create();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(EaseOutTimingFunction);
@@ -77,7 +80,7 @@ class CC_EXPORT EaseOutTimingFunction {
 
 class CC_EXPORT EaseInOutTimingFunction {
  public:
-  static scoped_ptr<TimingFunction> Create();
+  static std::unique_ptr<TimingFunction> Create();
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(EaseInOutTimingFunction);
@@ -85,12 +88,12 @@ class CC_EXPORT 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;