Move cc::DisplayItemList and related classes into cc/paint/

cc/playback/filter_display_item.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_PLAYBACK_FILTER_DISPLAY_ITEM_H_
-#define CC_PLAYBACK_FILTER_DISPLAY_ITEM_H_
-
-#include <stddef.h>
-
-#include <memory>
-
-#include "base/memory/ptr_util.h"
-#include "cc/base/cc_export.h"
-#include "cc/output/filter_operations.h"
-#include "cc/playback/display_item.h"
-#include "ui/gfx/geometry/rect_f.h"
-
-class SkCanvas;
-
-namespace cc {
-
-class CC_EXPORT FilterDisplayItem : public DisplayItem {
- public:
-  FilterDisplayItem(const FilterOperations& filters,
-                    const gfx::RectF& bounds,
-                    const gfx::PointF& origin);
-  ~FilterDisplayItem() override;
-
-  void Raster(SkCanvas* canvas,
-              SkPicture::AbortCallback* callback) const override;
-
-  size_t ExternalMemoryUsage() const {
-    // FilterOperations doesn't expose its capacity, but size is probably good
-    // enough.
-    return filters_.size() * sizeof(filters_.at(0));
-  }
-  int ApproximateOpCount() const { return 1; }
-
-  const gfx::RectF& bounds() const { return bounds_; }
-
- private:
-  void SetNew(const FilterOperations& filters,
-              const gfx::RectF& bounds,
-              const gfx::PointF& origin);
-
-  FilterOperations filters_;
-  gfx::RectF bounds_;
-  gfx::PointF origin_;
-};
-
-class CC_EXPORT EndFilterDisplayItem : public DisplayItem {
- public:
-  EndFilterDisplayItem();
-  ~EndFilterDisplayItem() override;
-
-  static std::unique_ptr<EndFilterDisplayItem> Create() {
-    return base::MakeUnique<EndFilterDisplayItem>();
-  }
-
-  void Raster(SkCanvas* canvas,
-              SkPicture::AbortCallback* callback) const override;
-
-  int ApproximateOpCount() const { return 0; }
-};
-
-}  // namespace cc
-
-#endif  // CC_PLAYBACK_FILTER_DISPLAY_ITEM_H_