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

cc/paint/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_DISPLAY_ITEM_H_
-#define CC_PLAYBACK_DISPLAY_ITEM_H_
+#ifndef CC_PAINT_DISPLAY_ITEM_H_
+#define CC_PAINT_DISPLAY_ITEM_H_
 
 #include <stddef.h>
 
 #include <memory>
 
-#include "cc/base/cc_export.h"
+#include "cc/cc_export.h"
 #include "cc/debug/traced_value.h"
+#include "cc/paint/paint_export.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace cc {
 
-class CC_EXPORT DisplayItem {
+class CC_PAINT_EXPORT DisplayItem {
  public:
   virtual ~DisplayItem() = default;
 
   enum Type {
     CLIP,
     END_CLIP,
     CLIP_PATH,
     END_CLIP_PATH,
     COMPOSITING,
     END_COMPOSITING,
     DRAWING,
     FILTER,
     END_FILTER,
     FLOAT_CLIP,
     END_FLOAT_CLIP,
     TRANSFORM,
     END_TRANSFORM,
   };
   const Type type;
 
  protected:
   explicit DisplayItem(Type type) : type(type) {}
 };
 
 }  // namespace cc
 
-#endif  // CC_PLAYBACK_DISPLAY_ITEM_H_
+#endif  // CC_PAINT_DISPLAY_ITEM_H_