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

cc/paint/float_clip_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_PLAYBACK_FLOAT_CLIP_DISPLAY_ITEM_H_
-#define CC_PLAYBACK_FLOAT_CLIP_DISPLAY_ITEM_H_
+#ifndef CC_PAINT_FLOAT_CLIP_DISPLAY_ITEM_H_
+#define CC_PAINT_FLOAT_CLIP_DISPLAY_ITEM_H_
 
 #include <stddef.h>
 
 #include <memory>
 #include <vector>
 
 #include "base/memory/ptr_util.h"
-#include "cc/base/cc_export.h"
-#include "cc/playback/display_item.h"
+#include "cc/paint/display_item.h"
+#include "cc/paint/paint_export.h"
 #include "ui/gfx/geometry/rect_f.h"
 
 class SkCanvas;
 
 namespace cc {
 
-class CC_EXPORT FloatClipDisplayItem : public DisplayItem {
+class CC_PAINT_EXPORT FloatClipDisplayItem : public DisplayItem {
  public:
   explicit FloatClipDisplayItem(const gfx::RectF& clip_rect);
   ~FloatClipDisplayItem() override;
 
   void Raster(SkCanvas* canvas,
               SkPicture::AbortCallback* callback) const override;
 
   size_t ExternalMemoryUsage() const { return 0; }
   int ApproximateOpCount() const { return 1; }
 
   const gfx::RectF& clip_rect() const { return clip_rect_; }
 
  private:
   void SetNew(const gfx::RectF& clip_rect);
 
   gfx::RectF clip_rect_;
 };
 
-class CC_EXPORT EndFloatClipDisplayItem : public DisplayItem {
+class CC_PAINT_EXPORT EndFloatClipDisplayItem : public DisplayItem {
  public:
   EndFloatClipDisplayItem();
   ~EndFloatClipDisplayItem() override;
 
   static std::unique_ptr<EndFloatClipDisplayItem> Create() {
     return base::MakeUnique<EndFloatClipDisplayItem>();
   }
 
   void Raster(SkCanvas* canvas,
               SkPicture::AbortCallback* callback) const override;
 
   int ApproximateOpCount() const { return 0; }
 };
 
 }  // namespace cc
 
-#endif  // CC_PLAYBACK_FLOAT_CLIP_DISPLAY_ITEM_H_
+#endif  // CC_PAINT_FLOAT_CLIP_DISPLAY_ITEM_H_