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

cc/quads/draw_polygon_unittest.cc

 // Copyright 2014 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.
 
 // We would like to use M_PI on windows too.
 #ifdef _WIN32
 #define _USE_MATH_DEFINES
 #endif
 
 #include <stddef.h>
@@ skipping 242 matching lines @@
   vertices_b.push_back(gfx::Point3F(5.0f, 0.0f, 5.0f));
   vertices_b.push_back(gfx::Point3F(5.0f, 10.0f, 5.0f));
 
   CREATE_NEW_DRAW_POLYGON(
       polygon_a, vertices_a, gfx::Vector3dF(0.0f, 0.0f, 1.0f), 0);
   CREATE_NEW_DRAW_POLYGON(
       polygon_b, vertices_b, gfx::Vector3dF(-1.0f, 0.0f, 0.0f), 1);
 
   EXPECT_EQ(BSP_SPLIT, DrawPolygon::SideCompare(polygon_b, polygon_a));
 
-  scoped_ptr<DrawPolygon> front_polygon;
-  scoped_ptr<DrawPolygon> back_polygon;
+  std::unique_ptr<DrawPolygon> front_polygon;
+  std::unique_ptr<DrawPolygon> back_polygon;
   polygon_b.Split(polygon_a, &front_polygon, &back_polygon);
   EXPECT_EQ(BSP_FRONT, DrawPolygon::SideCompare(*front_polygon, polygon_a));
   EXPECT_EQ(BSP_BACK, DrawPolygon::SideCompare(*back_polygon, polygon_a));
 
   std::vector<gfx::Point3F> test_points_a;
   test_points_a.push_back(gfx::Point3F(5.0f, 0.0f, 0.0f));
   test_points_a.push_back(gfx::Point3F(5.0f, 0.0f, 5.0f));
   test_points_a.push_back(gfx::Point3F(5.0f, 10.0f, 5.0f));
   test_points_a.push_back(gfx::Point3F(5.0f, 10.0f, 0.0f));
   std::vector<gfx::Point3F> test_points_b;
@@ skipping 22 matching lines @@
   vertices_b.push_back(gfx::Point3F(-1.0f, -5.0f, -2.0f));
   vertices_b.push_back(gfx::Point3F(-1.0f, 5.0f, -2.0f));
 
   CREATE_NEW_DRAW_POLYGON(
       polygon_a, vertices_a, gfx::Vector3dF(0.0f, 1.0f, 0.0f), 0);
   CREATE_NEW_DRAW_POLYGON(
       polygon_b, vertices_b, gfx::Vector3dF(0.707107f, 0.0f, -0.707107f), 1);
 
   EXPECT_EQ(BSP_SPLIT, DrawPolygon::SideCompare(polygon_a, polygon_b));
 
-  scoped_ptr<DrawPolygon> front_polygon;
-  scoped_ptr<DrawPolygon> back_polygon;
+  std::unique_ptr<DrawPolygon> front_polygon;
+  std::unique_ptr<DrawPolygon> back_polygon;
   polygon_a.Split(polygon_b, &front_polygon, &back_polygon);
   EXPECT_EQ(BSP_FRONT, DrawPolygon::SideCompare(*front_polygon, polygon_b));
   EXPECT_EQ(BSP_BACK, DrawPolygon::SideCompare(*back_polygon, polygon_b));
 
   EXPECT_EQ(3u, front_polygon->points().size());
   EXPECT_EQ(5u, back_polygon->points().size());
 
   std::vector<gfx::Point3F> test_points_a;
   test_points_a.push_back(gfx::Point3F(10.0f, 0.0f, 9.0f));
   test_points_a.push_back(gfx::Point3F(10.0f, 0.0f, 0.0f));
@@ skipping 32 matching lines @@
 
   // Note: We use EXPECT_FLOAT_WITHIN_EPSILON instead of EXPECT_FLOAT_EQUAL here
   // because some architectures (e.g., Arm64) employ a fused multiply-add
   // instruction which causes rounding asymmetry and reduces precision.
   // http://crbug.com/401117.
   EXPECT_NORMAL(polygon_a, 0.0f, 0.0f, -1.0f);
 }
 
 }  // namespace
 }  // namespace cc