Remove parts of //cc we aren't using

cc/blink/web_animation_impl.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 CC_BLINK_WEB_ANIMATION_IMPL_H_
-#define CC_BLINK_WEB_ANIMATION_IMPL_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/blink/cc_blink_export.h"
-#include "third_party/WebKit/public/platform/WebCompositorAnimation.h"
-
-namespace cc {
-class Animation;
-}
-
-namespace blink {
-class WebCompositorAnimationCurve;
-}
-
-namespace cc_blink {
-
-class WebCompositorAnimationImpl : public blink::WebCompositorAnimation {
- public:
-  CC_BLINK_EXPORT WebCompositorAnimationImpl(
-      const blink::WebCompositorAnimationCurve& curve,
-      TargetProperty target,
-      int animation_id,
-      int group_id);
-  virtual ~WebCompositorAnimationImpl();
-
-  // blink::WebCompositorAnimation implementation
-  virtual int id();
-  virtual int group();
-  virtual TargetProperty targetProperty() const;
-  virtual double iterations() const;
-  virtual void setIterations(double iterations);
-  virtual double iterationStart() const;
-  virtual void setIterationStart(double iteration_start);
-  virtual double startTime() const;
-  virtual void setStartTime(double monotonic_time);
-  virtual double timeOffset() const;
-  virtual void setTimeOffset(double monotonic_time);
-  virtual Direction direction() const;
-  virtual void setDirection(Direction);
-  virtual double playbackRate() const;
-  virtual void setPlaybackRate(double playback_rate);
-  virtual FillMode fillMode() const;
-  virtual void setFillMode(blink::WebCompositorAnimation::FillMode fill_mode);
-  scoped_ptr<cc::Animation> PassAnimation();
-
- private:
-  scoped_ptr<cc::Animation> animation_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebCompositorAnimationImpl);
-};
-
-}  // namespace cc_blink
-
-#endif  // CC_BLINK_WEB_ANIMATION_IMPL_H_