Remove WebCompositorSupport

sky/engine/public/platform/WebCompositorAnimation.h

-// 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.
-
-#ifndef SKY_ENGINE_PUBLIC_PLATFORM_WEBCOMPOSITORANIMATION_H_
-#define SKY_ENGINE_PUBLIC_PLATFORM_WEBCOMPOSITORANIMATION_H_
-
-#define WEB_ANIMATION_SUPPORTS_FRACTIONAL_ITERATIONS 1
-
-namespace blink {
-
-// A compositor driven animation.
-class WebCompositorAnimation {
-public:
-    enum TargetProperty {
-        TargetPropertyTransform = 0,
-        TargetPropertyOpacity,
-        TargetPropertyFilter,
-        TargetPropertyScrollOffset
-    };
-
-    virtual ~WebCompositorAnimation() { }
-
-    // An id is effectively the animation's name, and it is not unique.
-    virtual int id() = 0;
-
-    virtual TargetProperty targetProperty() const = 0;
-
-    // This is the number of times that the animation will play. If this
-    // value is zero the animation will not play. If it is negative, then
-    // the animation will loop indefinitely.
-    virtual double iterations() const = 0;
-    virtual void setIterations(double) = 0;
-
-    virtual double startTime() const = 0;
-    virtual void setStartTime(double monotonicTime) = 0;
-
-    virtual double timeOffset() const = 0;
-    virtual void setTimeOffset(double monotonicTime) = 0;
-
-    // If alternatesDirection is true, on odd numbered iterations we reverse the curve.
-    virtual bool alternatesDirection() const = 0;
-    virtual void setAlternatesDirection(bool) = 0;
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_PUBLIC_PLATFORM_WEBCOMPOSITORANIMATION_H_