[Reland] Web Animations: Introduce String based KeyframeEffectModel

Source/core/animation/AnimationTest.cpp

 // 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.
 
 #include "config.h"
 #include "core/animation/Animation.h"
 
 #include "bindings/v8/Dictionary.h"
 #include "core/animation/AnimatableLength.h"
 #include "core/animation/AnimationClock.h"
@@ skipping 70 matching lines @@
 
     String value2;
     ASSERT_TRUE(jsKeyframes[1].get("width", value2));
     ASSERT_EQ("0px", value2);
 
     RefPtr<Animation> animation = createAnimation(element.get(), jsKeyframes, 0, exceptionState);
 
     Element* target = animation->target();
     EXPECT_EQ(*element.get(), *target);
 
-    const KeyframeEffectModel::KeyframeVector keyframes =
-        toKeyframeEffectModel(animation->effect())->getFrames();
+    const KeyframeVector keyframes = toKeyframeEffectModelBase(animation->effect())->getFrames();
 
     EXPECT_EQ(0, keyframes[0]->offset());
     EXPECT_EQ(1, keyframes[1]->offset());
 
-    const AnimatableValue* keyframe1Width = keyframes[0]->propertyValue(CSSPropertyWidth);
-    const AnimatableValue* keyframe2Width = keyframes[1]->propertyValue(CSSPropertyWidth);
+    const AnimatableValue* keyframe1Width = toAnimatableValueKeyframe(keyframes[0].get())->propertyValue(CSSPropertyWidth);
+    const AnimatableValue* keyframe2Width = toAnimatableValueKeyframe(keyframes[1].get())->propertyValue(CSSPropertyWidth);
     ASSERT(keyframe1Width);
     ASSERT(keyframe2Width);
 
     EXPECT_TRUE(keyframe1Width->isLength());
     EXPECT_TRUE(keyframe2Width->isLength());
 
     EXPECT_EQ("100px", toAnimatableLength(keyframe1Width)->toCSSValue()->cssText());
     EXPECT_EQ("0px", toAnimatableLength(keyframe2Width)->toCSSValue()->cssText());
 
     EXPECT_EQ(*(CubicBezierTimingFunction::preset(CubicBezierTimingFunction::EaseInOut)), *keyframes[0]->easing());
@@ skipping 338 matching lines @@
     player->setCurrentTime(150);
     EXPECT_EQ(inf, animation->timeToForwardsEffectChange());
     EXPECT_EQ(0, animation->timeToReverseEffectChange());
 
     player->setCurrentTime(200);
     EXPECT_EQ(inf, animation->timeToForwardsEffectChange());
     EXPECT_EQ(50, animation->timeToReverseEffectChange());
 }
 
 } // namespace WebCore