Remove parts of //cc we aren't using

cc/blink/web_float_animation_curve_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_FLOAT_ANIMATION_CURVE_IMPL_H_
-#define CC_BLINK_WEB_FLOAT_ANIMATION_CURVE_IMPL_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/blink/cc_blink_export.h"
-#include "third_party/WebKit/public/platform/WebFloatAnimationCurve.h"
-
-namespace cc {
-class AnimationCurve;
-class KeyframedFloatAnimationCurve;
-}
-
-namespace blink {
-struct WebFloatKeyframe;
-}
-
-namespace cc_blink {
-
-class WebFloatAnimationCurveImpl : public blink::WebFloatAnimationCurve {
- public:
-  CC_BLINK_EXPORT WebFloatAnimationCurveImpl();
-  virtual ~WebFloatAnimationCurveImpl();
-
-  // WebCompositorAnimationCurve implementation.
-  virtual AnimationCurveType type() const;
-
-  // WebFloatAnimationCurve implementation.
-  virtual void add(const blink::WebFloatKeyframe& keyframe);
-  virtual void add(const blink::WebFloatKeyframe& keyframe,
-                   TimingFunctionType type);
-  virtual void add(const blink::WebFloatKeyframe& keyframe,
-                   double x1,
-                   double y1,
-                   double x2,
-                   double y2);
-  virtual void add(const blink::WebFloatKeyframe& keyframe,
-                   int steps,
-                   float steps_start_offset);
-  virtual void setLinearTimingFunction();
-  virtual void setCubicBezierTimingFunction(TimingFunctionType);
-  virtual void setCubicBezierTimingFunction(double x1,
-                                            double y1,
-                                            double x2,
-                                            double y2);
-  virtual void setStepsTimingFunction(int number_of_steps,
-                                      float steps_start_offset);
-
-  virtual float getValue(double time) const;
-
-  scoped_ptr<cc::AnimationCurve> CloneToAnimationCurve() const;
-
- private:
-  scoped_ptr<cc::KeyframedFloatAnimationCurve> curve_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebFloatAnimationCurveImpl);
-};
-
-}  // namespace cc_blink
-
-#endif  // CC_BLINK_WEB_FLOAT_ANIMATION_CURVE_IMPL_H_