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

cc/animation/keyframed_animation_curve_unittest.cc

 // 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.
 
 #include "cc/animation/keyframed_animation_curve.h"
 
 #include "cc/animation/transform_operations.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/animation/tween.h"
 #include "ui/gfx/geometry/box_f.h"
 #include "ui/gfx/test/gfx_util.h"
 
 namespace cc {
 namespace {
 
 void ExpectTranslateX(SkMScalar translate_x, const gfx::Transform& transform) {
   EXPECT_FLOAT_EQ(translate_x, transform.matrix().get(0, 3));
 }
 
 void ExpectBrightness(double brightness, const FilterOperations& filter) {
   EXPECT_EQ(1u, filter.size());
   EXPECT_EQ(FilterOperation::BRIGHTNESS, filter.at(0).type());
   EXPECT_FLOAT_EQ(brightness, filter.at(0).amount());
 }
 
 // Tests that a color animation with one keyframe works as expected.
 TEST(KeyframedAnimationCurveTest, OneColorKeyFrame) {
   SkColor color = SkColorSetARGB(255, 255, 255, 255);
-  scoped_ptr<KeyframedColorAnimationCurve> curve(
+  std::unique_ptr<KeyframedColorAnimationCurve> curve(
       KeyframedColorAnimationCurve::Create());
   curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta(), color, nullptr));
 
   EXPECT_SKCOLOR_EQ(color,
                     curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_SKCOLOR_EQ(color, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_SKCOLOR_EQ(color,
                     curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   EXPECT_SKCOLOR_EQ(color, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   EXPECT_SKCOLOR_EQ(color, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that a color animation with two keyframes works as expected.
 TEST(KeyframedAnimationCurveTest, TwoColorKeyFrame) {
   SkColor color_a = SkColorSetARGB(255, 255, 0, 0);
   SkColor color_b = SkColorSetARGB(255, 0, 255, 0);
   SkColor color_midpoint = gfx::Tween::ColorValueBetween(0.5, color_a, color_b);
-  scoped_ptr<KeyframedColorAnimationCurve> curve(
+  std::unique_ptr<KeyframedColorAnimationCurve> curve(
       KeyframedColorAnimationCurve::Create());
   curve->AddKeyframe(
       ColorKeyframe::Create(base::TimeDelta(), color_a, nullptr));
   curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
                                            color_b, nullptr));
 
   EXPECT_SKCOLOR_EQ(color_a,
                     curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_SKCOLOR_EQ(color_a,
                     curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_SKCOLOR_EQ(color_midpoint,
                     curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   EXPECT_SKCOLOR_EQ(color_b,
                     curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   EXPECT_SKCOLOR_EQ(color_b,
                     curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that a color animation with three keyframes works as expected.
 TEST(KeyframedAnimationCurveTest, ThreeColorKeyFrame) {
   SkColor color_a = SkColorSetARGB(255, 255, 0, 0);
   SkColor color_b = SkColorSetARGB(255, 0, 255, 0);
   SkColor color_c = SkColorSetARGB(255, 0, 0, 255);
   SkColor color_midpoint1 =
       gfx::Tween::ColorValueBetween(0.5, color_a, color_b);
   SkColor color_midpoint2 =
       gfx::Tween::ColorValueBetween(0.5, color_b, color_c);
-  scoped_ptr<KeyframedColorAnimationCurve> curve(
+  std::unique_ptr<KeyframedColorAnimationCurve> curve(
       KeyframedColorAnimationCurve::Create());
   curve->AddKeyframe(
       ColorKeyframe::Create(base::TimeDelta(), color_a, nullptr));
   curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
                                            color_b, nullptr));
   curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(2.0),
                                            color_c, nullptr));
 
   EXPECT_SKCOLOR_EQ(color_a,
                     curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_SKCOLOR_EQ(color_a,
                     curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_SKCOLOR_EQ(color_midpoint1,
                     curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   EXPECT_SKCOLOR_EQ(color_b,
                     curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   EXPECT_SKCOLOR_EQ(color_midpoint2,
                     curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
   EXPECT_SKCOLOR_EQ(color_c,
                     curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   EXPECT_SKCOLOR_EQ(color_c,
                     curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
 }
 
 // Tests that a colro animation with multiple keys at a given time works sanely.
 TEST(KeyframedAnimationCurveTest, RepeatedColorKeyFrame) {
   SkColor color_a = SkColorSetARGB(255, 64, 0, 0);
   SkColor color_b = SkColorSetARGB(255, 192, 0, 0);
 
-  scoped_ptr<KeyframedColorAnimationCurve> curve(
+  std::unique_ptr<KeyframedColorAnimationCurve> curve(
       KeyframedColorAnimationCurve::Create());
   curve->AddKeyframe(
       ColorKeyframe::Create(base::TimeDelta(), color_a, nullptr));
   curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
                                            color_a, nullptr));
   curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
                                            color_b, nullptr));
   curve->AddKeyframe(ColorKeyframe::Create(base::TimeDelta::FromSecondsD(2.0),
                                            color_b, nullptr));
 
@@ skipping 13 matching lines @@
   EXPECT_SKCOLOR_EQ(color_b,
                     curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
   EXPECT_SKCOLOR_EQ(color_b,
                     curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   EXPECT_SKCOLOR_EQ(color_b,
                     curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
 }
 
 // Tests that a float animation with one keyframe works as expected.
 TEST(KeyframedAnimationCurveTest, OneFloatKeyframe) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 2.f, nullptr));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that a float animation with two keyframes works as expected.
 TEST(KeyframedAnimationCurveTest, TwoFloatKeyframe) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 2.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 4.f, nullptr));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_FLOAT_EQ(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that a float animation with three keyframes works as expected.
 TEST(KeyframedAnimationCurveTest, ThreeFloatKeyframe) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 2.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 4.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.0), 8.f, nullptr));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_FLOAT_EQ(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
   EXPECT_FLOAT_EQ(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   EXPECT_FLOAT_EQ(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
 }
 
 // Tests that a float animation with multiple keys at a given time works sanely.
 TEST(KeyframedAnimationCurveTest, RepeatedFloatKeyTimes) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 4.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 4.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 6.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.0), 6.f, nullptr));
 
   EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
 
   // There is a discontinuity at 1. Any value between 4 and 6 is valid.
   float value = curve->GetValue(base::TimeDelta::FromSecondsD(1.f));
   EXPECT_TRUE(value >= 4 && value <= 6);
 
   EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
   EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
 }
 
 // Tests that a transform animation with one keyframe works as expected.
 TEST(KeyframedAnimationCurveTest, OneTransformKeyframe) {
-  scoped_ptr<KeyframedTransformAnimationCurve> curve(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
   TransformOperations operations;
   operations.AppendTranslate(2.f, 0.f, 0.f);
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta(), operations, nullptr));
 
   ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that a transform animation with two keyframes works as expected.
 TEST(KeyframedAnimationCurveTest, TwoTransformKeyframe) {
-  scoped_ptr<KeyframedTransformAnimationCurve> curve(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
   TransformOperations operations1;
   operations1.AppendTranslate(2.f, 0.f, 0.f);
   TransformOperations operations2;
   operations2.AppendTranslate(4.f, 0.f, 0.f);
 
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   curve->AddKeyframe(TransformKeyframe::Create(
       base::TimeDelta::FromSecondsD(1.0), operations2, nullptr));
   ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   ExpectTranslateX(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   ExpectTranslateX(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   ExpectTranslateX(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that a transform animation with three keyframes works as expected.
 TEST(KeyframedAnimationCurveTest, ThreeTransformKeyframe) {
-  scoped_ptr<KeyframedTransformAnimationCurve> curve(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
   TransformOperations operations1;
   operations1.AppendTranslate(2.f, 0.f, 0.f);
   TransformOperations operations2;
   operations2.AppendTranslate(4.f, 0.f, 0.f);
   TransformOperations operations3;
   operations3.AppendTranslate(8.f, 0.f, 0.f);
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   curve->AddKeyframe(TransformKeyframe::Create(
       base::TimeDelta::FromSecondsD(1.0), operations2, nullptr));
   curve->AddKeyframe(TransformKeyframe::Create(
       base::TimeDelta::FromSecondsD(2.0), operations3, nullptr));
   ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   ExpectTranslateX(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   ExpectTranslateX(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   ExpectTranslateX(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   ExpectTranslateX(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
   ExpectTranslateX(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   ExpectTranslateX(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
 }
 
 // Tests that a transform animation with multiple keys at a given time works
 // sanely.
 TEST(KeyframedAnimationCurveTest, RepeatedTransformKeyTimes) {
-  scoped_ptr<KeyframedTransformAnimationCurve> curve(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
   // A step function.
   TransformOperations operations1;
   operations1.AppendTranslate(4.f, 0.f, 0.f);
   TransformOperations operations2;
   operations2.AppendTranslate(4.f, 0.f, 0.f);
   TransformOperations operations3;
   operations3.AppendTranslate(6.f, 0.f, 0.f);
   TransformOperations operations4;
   operations4.AppendTranslate(6.f, 0.f, 0.f);
@@ skipping 15 matching lines @@
   EXPECT_GE(value.matrix().get(0, 3), 4.f);
   EXPECT_LE(value.matrix().get(0, 3), 6.f);
 
   ExpectTranslateX(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
   ExpectTranslateX(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   ExpectTranslateX(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
 }
 
 // Tests that a filter animation with one keyframe works as expected.
 TEST(KeyframedAnimationCurveTest, OneFilterKeyframe) {
-  scoped_ptr<KeyframedFilterAnimationCurve> curve(
+  std::unique_ptr<KeyframedFilterAnimationCurve> curve(
       KeyframedFilterAnimationCurve::Create());
   FilterOperations operations;
   operations.Append(FilterOperation::CreateBrightnessFilter(2.f));
   curve->AddKeyframe(
       FilterKeyframe::Create(base::TimeDelta(), operations, nullptr));
 
   ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that a filter animation with two keyframes works as expected.
 TEST(KeyframedAnimationCurveTest, TwoFilterKeyframe) {
-  scoped_ptr<KeyframedFilterAnimationCurve> curve(
+  std::unique_ptr<KeyframedFilterAnimationCurve> curve(
       KeyframedFilterAnimationCurve::Create());
   FilterOperations operations1;
   operations1.Append(FilterOperation::CreateBrightnessFilter(2.f));
   FilterOperations operations2;
   operations2.Append(FilterOperation::CreateBrightnessFilter(4.f));
 
   curve->AddKeyframe(
       FilterKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   curve->AddKeyframe(FilterKeyframe::Create(base::TimeDelta::FromSecondsD(1.f),
                                             operations2, nullptr));
   ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   ExpectBrightness(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   ExpectBrightness(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   ExpectBrightness(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that a filter animation with three keyframes works as expected.
 TEST(KeyframedAnimationCurveTest, ThreeFilterKeyframe) {
-  scoped_ptr<KeyframedFilterAnimationCurve> curve(
+  std::unique_ptr<KeyframedFilterAnimationCurve> curve(
       KeyframedFilterAnimationCurve::Create());
   FilterOperations operations1;
   operations1.Append(FilterOperation::CreateBrightnessFilter(2.f));
   FilterOperations operations2;
   operations2.Append(FilterOperation::CreateBrightnessFilter(4.f));
   FilterOperations operations3;
   operations3.Append(FilterOperation::CreateBrightnessFilter(8.f));
   curve->AddKeyframe(
       FilterKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   curve->AddKeyframe(FilterKeyframe::Create(base::TimeDelta::FromSecondsD(1.f),
                                             operations2, nullptr));
   curve->AddKeyframe(FilterKeyframe::Create(base::TimeDelta::FromSecondsD(2.f),
                                             operations3, nullptr));
   ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   ExpectBrightness(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   ExpectBrightness(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   ExpectBrightness(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   ExpectBrightness(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
   ExpectBrightness(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   ExpectBrightness(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
 }
 
 // Tests that a filter animation with multiple keys at a given time works
 // sanely.
 TEST(KeyframedAnimationCurveTest, RepeatedFilterKeyTimes) {
-  scoped_ptr<KeyframedFilterAnimationCurve> curve(
+  std::unique_ptr<KeyframedFilterAnimationCurve> curve(
       KeyframedFilterAnimationCurve::Create());
   // A step function.
   FilterOperations operations1;
   operations1.Append(FilterOperation::CreateBrightnessFilter(4.f));
   FilterOperations operations2;
   operations2.Append(FilterOperation::CreateBrightnessFilter(4.f));
   FilterOperations operations3;
   operations3.Append(FilterOperation::CreateBrightnessFilter(6.f));
   FilterOperations operations4;
   operations4.Append(FilterOperation::CreateBrightnessFilter(6.f));
@@ skipping 17 matching lines @@
   EXPECT_GE(value.at(0).amount(), 4);
   EXPECT_LE(value.at(0).amount(), 6);
 
   ExpectBrightness(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
   ExpectBrightness(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   ExpectBrightness(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
 }
 
 // Tests that the keyframes may be added out of order.
 TEST(KeyframedAnimationCurveTest, UnsortedKeyframes) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.f), 8.f, nullptr));
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 2.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), 4.f, nullptr));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_FLOAT_EQ(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   EXPECT_FLOAT_EQ(4.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   EXPECT_FLOAT_EQ(6.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.5f)));
   EXPECT_FLOAT_EQ(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   EXPECT_FLOAT_EQ(8.f, curve->GetValue(base::TimeDelta::FromSecondsD(3.f)));
 }
 
 // Tests that a cubic bezier timing function works as expected.
 TEST(KeyframedAnimationCurveTest, CubicBezierTimingFunction) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(
       base::TimeDelta(), 0.f,
       CubicBezierTimingFunction::Create(0.25f, 0.f, 0.75f, 1.f)));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 1.f, nullptr));
 
   EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_LT(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.25f)));
   EXPECT_GT(0.25f, curve->GetValue(base::TimeDelta::FromSecondsD(0.25f)));
   EXPECT_NEAR(curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)), 0.5f,
               0.00015f);
   EXPECT_LT(0.75f, curve->GetValue(base::TimeDelta::FromSecondsD(0.75f)));
   EXPECT_GT(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.75f)));
   EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
 }
 
 // Tests a step timing function if the change of values occur at the start.
 TEST(KeyframedAnimationCurveTest, StepsTimingFunctionStepAtStart) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   const int num_steps = 36;
   const float steps_start_offset = 1.0f;
   curve->AddKeyframe(FloatKeyframe::Create(
       base::TimeDelta(), 0.f,
       StepsTimingFunction::Create(num_steps, steps_start_offset)));
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
                                            num_steps, nullptr));
 
   const float time_threshold = 0.0001f;
@@ skipping 10 matching lines @@
                   curve->GetValue(base::TimeDelta::FromSecondsD(1.0)));
 
   for (float i = 0.5f; i <= num_steps; i += 1.0f) {
     const base::TimeDelta time = base::TimeDelta::FromSecondsD(i / num_steps);
     EXPECT_FLOAT_EQ(std::ceil(i), curve->GetValue(time));
   }
 }
 
 // Tests a step timing function if the change of values occur at the middle.
 TEST(KeyframedAnimationCurveTest, StepsTimingFunctionStepAtMiddle) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   const int num_steps = 36;
   const float steps_start_offset = 0.5f;
   curve->AddKeyframe(FloatKeyframe::Create(
       base::TimeDelta(), 0.f,
       StepsTimingFunction::Create(num_steps, steps_start_offset)));
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
                                            num_steps, nullptr));
 
   const float time_threshold = 0.0001f;
@@ skipping 11 matching lines @@
                   curve->GetValue(base::TimeDelta::FromSecondsD(1.0)));
 
   for (float i = 0.25f; i <= num_steps; i += 1.0f) {
     const base::TimeDelta time = base::TimeDelta::FromSecondsD(i / num_steps);
     EXPECT_FLOAT_EQ(std::floor(i), curve->GetValue(time));
   }
 }
 
 // Tests a step timing function if the change of values occur at the end.
 TEST(KeyframedAnimationCurveTest, StepsTimingFunctionStepAtEnd) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   const int num_steps = 36;
   const float steps_start_offset = 0.0f;
   curve->AddKeyframe(FloatKeyframe::Create(
       base::TimeDelta(), 0.f,
       StepsTimingFunction::Create(num_steps, steps_start_offset)));
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0),
                                            num_steps, nullptr));
 
   const float time_threshold = 0.0001f;
@@ skipping 11 matching lines @@
                   curve->GetValue(base::TimeDelta::FromSecondsD(1.0)));
 
   for (float i = 0.5f; i <= num_steps; i += 1.0f) {
     const base::TimeDelta time = base::TimeDelta::FromSecondsD(i / num_steps);
     EXPECT_FLOAT_EQ(std::floor(i), curve->GetValue(time));
   }
 }
 
 // Tests that animated bounds are computed as expected.
 TEST(KeyframedAnimationCurveTest, AnimatedBounds) {
-  scoped_ptr<KeyframedTransformAnimationCurve> curve(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
 
   TransformOperations operations1;
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   operations1.AppendTranslate(2.0, 3.0, -1.0);
   curve->AddKeyframe(TransformKeyframe::Create(
       base::TimeDelta::FromSecondsD(0.5f), operations1, nullptr));
   TransformOperations operations2;
   operations2.AppendTranslate(4.0, 1.0, 2.0);
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), operations2,
                                 EaseTimingFunction::Create()));
 
   gfx::BoxF box(2.f, 3.f, 4.f, 1.f, 3.f, 2.f);
   gfx::BoxF bounds;
 
   EXPECT_TRUE(curve->AnimatedBoundsForBox(box, &bounds));
   EXPECT_EQ(gfx::BoxF(2.f, 3.f, 3.f, 5.f, 6.f, 5.f).ToString(),
             bounds.ToString());
 }
 
 // Tests that animations that affect scale are correctly identified.
 TEST(KeyframedAnimationCurveTest, AffectsScale) {
-  scoped_ptr<KeyframedTransformAnimationCurve> curve(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
 
   TransformOperations operations1;
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   operations1.AppendTranslate(2.0, 3.0, -1.0);
   TransformOperations operations2;
   operations2.AppendTranslate(4.0, 1.0, 2.0);
   curve->AddKeyframe(TransformKeyframe::Create(
       base::TimeDelta::FromSecondsD(1.f), operations2, nullptr));
@@ skipping 10 matching lines @@
   TransformOperations operations4;
   operations3.AppendTranslate(2.f, 2.f, 2.f);
   curve->AddKeyframe(TransformKeyframe::Create(
       base::TimeDelta::FromSecondsD(3.f), operations4, nullptr));
 
   EXPECT_TRUE(curve->AffectsScale());
 }
 
 // Tests that animations that are translations are correctly identified.
 TEST(KeyframedAnimationCurveTest, IsTranslation) {
-  scoped_ptr<KeyframedTransformAnimationCurve> curve(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
 
   TransformOperations operations1;
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   operations1.AppendTranslate(2.0, 3.0, -1.0);
   TransformOperations operations2;
   operations2.AppendTranslate(4.0, 1.0, 2.0);
   curve->AddKeyframe(TransformKeyframe::Create(
       base::TimeDelta::FromSecondsD(1.f), operations2, nullptr));
@@ skipping 10 matching lines @@
   TransformOperations operations4;
   operations3.AppendTranslate(2.f, 2.f, 2.f);
   curve->AddKeyframe(TransformKeyframe::Create(
       base::TimeDelta::FromSecondsD(3.f), operations4, nullptr));
 
   EXPECT_FALSE(curve->IsTranslation());
 }
 
 // Tests that maximum target scale is computed as expected.
 TEST(KeyframedAnimationCurveTest, MaximumTargetScale) {
-  scoped_ptr<KeyframedTransformAnimationCurve> curve(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
 
   TransformOperations operations1;
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   operations1.AppendScale(2.f, -3.f, 1.f);
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), operations1,
                                 EaseTimingFunction::Create()));
 
@@ skipping 12 matching lines @@
 
   TransformOperations operations3;
   operations3.AppendRotate(1.f, 0.f, 0.f, 90.f);
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta::FromSecondsD(3.f), operations3,
                                 EaseTimingFunction::Create()));
 
   EXPECT_FALSE(curve->MaximumTargetScale(true, &maximum_scale));
 
   // The original scale is not used in computing the max.
-  scoped_ptr<KeyframedTransformAnimationCurve> curve2(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve2(
       KeyframedTransformAnimationCurve::Create());
 
   TransformOperations operations4;
   operations4.AppendScale(0.4f, 0.2f, 0.6f);
   curve2->AddKeyframe(TransformKeyframe::Create(base::TimeDelta(), operations4,
                                                 EaseTimingFunction::Create()));
   TransformOperations operations5;
   operations5.AppendScale(0.5f, 0.3f, -0.8f);
   curve2->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), operations5,
                                 EaseTimingFunction::Create()));
 
   EXPECT_TRUE(curve2->MaximumTargetScale(true, &maximum_scale));
   EXPECT_EQ(0.8f, maximum_scale);
 
   EXPECT_TRUE(curve2->MaximumTargetScale(false, &maximum_scale));
   EXPECT_EQ(0.6f, maximum_scale);
 }
 
 // Tests that starting animation scale is computed as expected.
 TEST(KeyframedAnimationCurveTest, AnimationStartScale) {
-  scoped_ptr<KeyframedTransformAnimationCurve> curve(
+  std::unique_ptr<KeyframedTransformAnimationCurve> curve(
       KeyframedTransformAnimationCurve::Create());
 
   TransformOperations operations1;
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta(), operations1, nullptr));
   operations1.AppendScale(2.f, -3.f, 1.f);
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), operations1,
                                 EaseTimingFunction::Create()));
 
@@ skipping 26 matching lines @@
   curve->AddKeyframe(
       TransformKeyframe::Create(base::TimeDelta::FromSecondsD(3.f), operations3,
                                 EaseTimingFunction::Create()));
 
   EXPECT_FALSE(curve->AnimationStartScale(false, &start_scale));
   EXPECT_EQ(0.f, start_scale);
 }
 
 // Tests that an animation with a curve timing function works as expected.
 TEST(KeyframedAnimationCurveTest, CurveTiming) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 0.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), 1.f, nullptr));
   curve->SetTimingFunction(
       CubicBezierTimingFunction::Create(0.75f, 0.f, 0.25f, 1.f));
   EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_NEAR(0.05f, curve->GetValue(base::TimeDelta::FromSecondsD(0.25f)),
               0.005f);
   EXPECT_FLOAT_EQ(0.5f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   EXPECT_NEAR(0.95f, curve->GetValue(base::TimeDelta::FromSecondsD(0.75f)),
               0.005f);
   EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that an animation with a curve and keyframe timing function works as
 // expected.
 TEST(KeyframedAnimationCurveTest, CurveAndKeyframeTiming) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(
       base::TimeDelta(), 0.f,
       CubicBezierTimingFunction::Create(0.35f, 0.f, 0.65f, 1.f)));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), 1.f, nullptr));
   // Curve timing function producing outputs outside of range [0,1].
   curve->SetTimingFunction(
       CubicBezierTimingFunction::Create(0.5f, -0.5f, 0.5f, 1.5f));
   EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(
                            0.25f)));  // Clamped. c(.25) < 0
   EXPECT_NEAR(0.17f, curve->GetValue(base::TimeDelta::FromSecondsD(0.42f)),
               0.005f);  // c(.42)=.27, k(.27)=.17
   EXPECT_FLOAT_EQ(0.5f, curve->GetValue(base::TimeDelta::FromSecondsD(0.5f)));
   EXPECT_NEAR(0.83f, curve->GetValue(base::TimeDelta::FromSecondsD(0.58f)),
               0.005f);  // c(.58)=.73, k(.73)=.83
   EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(
                            0.75f)));  // Clamped. c(.75) > 1
   EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)));
   EXPECT_FLOAT_EQ(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
 }
 
 // Tests that a linear timing function works as expected for inputs outside of
 // range [0,1]
 TEST(KeyframedAnimationCurveTest, LinearTimingInputsOutsideZeroOneRange) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 0.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 2.f, nullptr));
   // Curve timing function producing timing outputs outside of range [0,1].
   curve->SetTimingFunction(
       CubicBezierTimingFunction::Create(0.5f, -0.5f, 0.5f, 1.5f));
 
   EXPECT_NEAR(-0.076f, curve->GetValue(base::TimeDelta::FromSecondsD(0.25f)),
               0.001f);
   EXPECT_NEAR(2.076f, curve->GetValue(base::TimeDelta::FromSecondsD(0.75f)),
               0.001f);
 }
 
 // If a curve cubic-bezier timing function produces timing outputs outside
 // the range [0, 1] then a keyframe cubic-bezier timing function
 // should consume that input properly (using end-point gradients).
 TEST(KeyframedAnimationCurveTest, CurveTimingInputsOutsideZeroOneRange) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   // Keyframe timing function with 0.5 gradients at each end.
   curve->AddKeyframe(FloatKeyframe::Create(
       base::TimeDelta(), 0.f,
       CubicBezierTimingFunction::Create(0.5f, 0.25f, 0.5f, 0.75f)));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), 1.f, nullptr));
   // Curve timing function producing timing outputs outside of range [0,1].
   curve->SetTimingFunction(
       CubicBezierTimingFunction::Create(0.5f, -0.5f, 0.5f, 1.5f));
 
   EXPECT_NEAR(-0.02f, curve->GetValue(base::TimeDelta::FromSecondsD(0.25f)),
               0.002f);  // c(.25)=-.04, -.04*0.5=-0.02
   EXPECT_NEAR(0.33f, curve->GetValue(base::TimeDelta::FromSecondsD(0.46f)),
               0.002f);  // c(.46)=.38, k(.38)=.33
 
   EXPECT_NEAR(0.67f, curve->GetValue(base::TimeDelta::FromSecondsD(0.54f)),
               0.002f);  // c(.54)=.62, k(.62)=.67
   EXPECT_NEAR(1.02f, curve->GetValue(base::TimeDelta::FromSecondsD(0.75f)),
               0.002f);  // c(.75)=1.04 1+.04*0.5=1.02
 }
 
 // Tests that a step timing function works as expected for inputs outside of
 // range [0,1]
 TEST(KeyframedAnimationCurveTest, StepsTimingInputsOutsideZeroOneRange) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(
       base::TimeDelta(), 0.f, StepsTimingFunction::Create(4, 0.5f)));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 2.f, nullptr));
   // Curve timing function producing timing outputs outside of range [0,1].
   curve->SetTimingFunction(
       CubicBezierTimingFunction::Create(0.5f, -0.5f, 0.5f, 1.5f));
 
   EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.25f)));
   EXPECT_FLOAT_EQ(2.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.75f)));
 }
 
 // Tests that an animation with a curve timing function and multiple keyframes
 // works as expected.
 TEST(KeyframedAnimationCurveTest, CurveTimingMultipleKeyframes) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 0.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.f), 1.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.f), 3.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(3.f), 6.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(4.f), 9.f, nullptr));
   curve->SetTimingFunction(
       CubicBezierTimingFunction::Create(0.5f, 0.f, 0.5f, 1.f));
   EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(-1.f)));
   EXPECT_FLOAT_EQ(0.f, curve->GetValue(base::TimeDelta::FromSecondsD(0.f)));
   EXPECT_NEAR(0.42f, curve->GetValue(base::TimeDelta::FromSecondsD(1.f)),
               0.005f);
   EXPECT_NEAR(1.f, curve->GetValue(base::TimeDelta::FromSecondsD(1.455f)),
               0.005f);
   EXPECT_FLOAT_EQ(3.f, curve->GetValue(base::TimeDelta::FromSecondsD(2.f)));
   EXPECT_NEAR(8.72f, curve->GetValue(base::TimeDelta::FromSecondsD(3.5f)),
               0.01f);
   EXPECT_FLOAT_EQ(9.f, curve->GetValue(base::TimeDelta::FromSecondsD(4.f)));
   EXPECT_FLOAT_EQ(9.f, curve->GetValue(base::TimeDelta::FromSecondsD(5.f)));
 }
 
 // Tests that an animation with a curve timing function that overshoots works as
 // expected.
 TEST(KeyframedAnimationCurveTest, CurveTimingOvershootMultipeKeyframes) {
-  scoped_ptr<KeyframedFloatAnimationCurve> curve(
+  std::unique_ptr<KeyframedFloatAnimationCurve> curve(
       KeyframedFloatAnimationCurve::Create());
   curve->AddKeyframe(FloatKeyframe::Create(base::TimeDelta(), 0.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(1.0), 1.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(2.0), 3.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(3.0), 6.f, nullptr));
   curve->AddKeyframe(
       FloatKeyframe::Create(base::TimeDelta::FromSecondsD(4.0), 9.f, nullptr));
   // Curve timing function producing outputs outside of range [0,1].
   curve->SetTimingFunction(
       CubicBezierTimingFunction::Create(0.5f, -0.5f, 0.5f, 1.5f));
   EXPECT_LE(curve->GetValue(base::TimeDelta::FromSecondsD(1.f)),
             0.f);  // c(.25) < 0
   EXPECT_GE(curve->GetValue(base::TimeDelta::FromSecondsD(3.f)),
             9.f);  // c(.75) > 1
 }
 
 }  // namespace
 }  // namespace cc