Remove parts of //cc we aren't using

cc/blink/web_layer_impl_fixed_bounds.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_LAYER_IMPL_FIXED_BOUNDS_H_
-#define CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_
-
-#include "cc/blink/web_layer_impl.h"
-#include "ui/gfx/geometry/size.h"
-#include "ui/gfx/transform.h"
-
-namespace cc_blink {
-
-// A special implementation of WebLayerImpl for layers that its contents
-// need to be automatically scaled when the bounds changes. The compositor
-// can efficiently handle the bounds change of such layers if the bounds
-// is fixed to a given value and the change of bounds are converted to
-// transformation scales.
-class WebLayerImplFixedBounds : public WebLayerImpl {
- public:
-  CC_BLINK_EXPORT WebLayerImplFixedBounds();
-  CC_BLINK_EXPORT explicit WebLayerImplFixedBounds(
-      scoped_refptr<cc::Layer> layer);
-  virtual ~WebLayerImplFixedBounds();
-
-  // WebLayerImpl overrides.
-  void invalidateRect(const blink::WebRect& rect) override;
-  void setTransformOrigin(
-      const blink::WebFloatPoint3D& transform_origin) override;
-  void setBounds(const blink::WebSize& bounds) override;
-  blink::WebSize bounds() const override;
-  void setTransform(const SkMatrix44& transform) override;
-  SkMatrix44 transform() const override;
-
-  CC_BLINK_EXPORT void SetFixedBounds(gfx::Size bounds);
-
- protected:
-  void SetTransformInternal(const gfx::Transform& transform);
-  void UpdateLayerBoundsAndTransform();
-
-  gfx::Transform original_transform_;
-  gfx::Size original_bounds_;
-  gfx::Size fixed_bounds_;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(WebLayerImplFixedBounds);
-};
-
-}  // namespace cc_blink
-
-#endif  // CC_BLINK_WEB_LAYER_IMPL_FIXED_BOUNDS_H_