Remove parts of //cc we aren't using

cc/resources/clip_path_display_item.h

-// Copyright 2015 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_RESOURCES_CLIP_PATH_DISPLAY_ITEM_H_
-#define CC_RESOURCES_CLIP_PATH_DISPLAY_ITEM_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
-#include "cc/resources/display_item.h"
-#include "third_party/skia/include/core/SkPath.h"
-#include "third_party/skia/include/core/SkRegion.h"
-
-class SkCanvas;
-class SkDrawPictureCallback;
-
-namespace cc {
-
-class CC_EXPORT ClipPathDisplayItem : public DisplayItem {
- public:
-  ~ClipPathDisplayItem() override;
-
-  static scoped_ptr<ClipPathDisplayItem> Create(const SkPath& path,
-                                                SkRegion::Op clip_op,
-                                                bool antialias) {
-    return make_scoped_ptr(new ClipPathDisplayItem(path, clip_op, antialias));
-  }
-
-  void Raster(SkCanvas* canvas, SkDrawPictureCallback* callback) const override;
-
-  bool IsSuitableForGpuRasterization() const override;
-  int ApproximateOpCount() const override;
-  size_t PictureMemoryUsage() const override;
-  void AsValueInto(base::trace_event::TracedValue* array) const override;
-
- protected:
-  ClipPathDisplayItem(const SkPath& path, SkRegion::Op clip_op, bool antialias);
-
- private:
-  SkPath clip_path_;
-  SkRegion::Op clip_op_;
-  bool antialias_;
-};
-
-class CC_EXPORT EndClipPathDisplayItem : public DisplayItem {
- public:
-  ~EndClipPathDisplayItem() override;
-
-  static scoped_ptr<EndClipPathDisplayItem> Create() {
-    return make_scoped_ptr(new EndClipPathDisplayItem());
-  }
-
-  void Raster(SkCanvas* canvas, SkDrawPictureCallback* callback) const override;
-
-  bool IsSuitableForGpuRasterization() const override;
-  int ApproximateOpCount() const override;
-  size_t PictureMemoryUsage() const override;
-  void AsValueInto(base::trace_event::TracedValue* array) const override;
-
- protected:
-  EndClipPathDisplayItem();
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_CLIP_PATH_DISPLAY_ITEM_H_