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

cc/base/math_util.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_BASE_MATH_UTIL_H_
 #define CC_BASE_MATH_UTIL_H_
 
 #include <algorithm>
 #include <cmath>
+#include <memory>
 #include <vector>
 
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
 #include "ui/gfx/geometry/box_f.h"
 #include "ui/gfx/geometry/point3_f.h"
 #include "ui/gfx/geometry/point_f.h"
 #include "ui/gfx/geometry/scroll_offset.h"
 #include "ui/gfx/geometry/size.h"
 #include "ui/gfx/transform.h"
 
 namespace base {
 class Value;
@@ skipping 223 matching lines @@
   // Neither vector is assumed to be normalized.
   static float SmallestAngleBetweenVectors(const gfx::Vector2dF& v1,
                                            const gfx::Vector2dF& v2);
 
   // Projects the |source| vector onto |destination|. Neither vector is assumed
   // to be normalized.
   static gfx::Vector2dF ProjectVector(const gfx::Vector2dF& source,
                                       const gfx::Vector2dF& destination);
 
   // Conversion to value.
-  static scoped_ptr<base::Value> AsValue(const gfx::Size& s);
-  static scoped_ptr<base::Value> AsValue(const gfx::Rect& r);
+  static std::unique_ptr<base::Value> AsValue(const gfx::Size& s);
+  static std::unique_ptr<base::Value> AsValue(const gfx::Rect& r);
   static bool FromValue(const base::Value*, gfx::Rect* out_rect);
-  static scoped_ptr<base::Value> AsValue(const gfx::PointF& q);
+  static std::unique_ptr<base::Value> AsValue(const gfx::PointF& q);
 
   static void AddToTracedValue(const char* name,
                                const gfx::Size& s,
                                base::trace_event::TracedValue* res);
   static void AddToTracedValue(const char* name,
                                const gfx::SizeF& s,
                                base::trace_event::TracedValue* res);
   static void AddToTracedValue(const char* name,
                                const gfx::Rect& r,
                                base::trace_event::TracedValue* res);
@@ skipping 48 matching lines @@
   template <typename T>
   static T RoundDownInternal(T n, T mul) {
     return (n > 0) ? (n / mul) * mul : (n == 0) ? 0
                                                 : ((n - mul + 1) / mul) * mul;
   }
 };
 
 }  // namespace cc
 
 #endif  // CC_BASE_MATH_UTIL_H_