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

cc/paint/drawing_display_item.h

Index: cc/paint/drawing_display_item.h
diff --git a/cc/playback/drawing_display_item.h b/cc/paint/drawing_display_item.h
similarity index 78%
rename from cc/playback/drawing_display_item.h
rename to cc/paint/drawing_display_item.h
index bd14b8fc8d63464930a8b08d476b931ed853c8a3..5edcb2bbb1d188352dcd217560e4bc9610d9202f 100644
--- a/cc/playback/drawing_display_item.h
+++ b/cc/paint/drawing_display_item.h
@@ -2,17 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CC_PLAYBACK_DRAWING_DISPLAY_ITEM_H_
-#define CC_PLAYBACK_DRAWING_DISPLAY_ITEM_H_
+#ifndef CC_PAINT_DRAWING_DISPLAY_ITEM_H_
+#define CC_PAINT_DRAWING_DISPLAY_ITEM_H_
 
 #include <stddef.h>
 
 #include <memory>
 #include <vector>
 
-#include "cc/base/cc_export.h"
+#include "cc/paint/display_item.h"
+#include "cc/paint/paint_export.h"
 #include "cc/paint/paint_record.h"
-#include "cc/playback/display_item.h"
 #include "third_party/skia/include/core/SkRefCnt.h"
 #include "ui/gfx/geometry/point_f.h"
 
@@ -20,7 +20,7 @@ class SkCanvas;
 
 namespace cc {
 
-class CC_EXPORT DrawingDisplayItem : public DisplayItem {
+class CC_PAINT_EXPORT DrawingDisplayItem : public DisplayItem {
  public:
   DrawingDisplayItem();
   explicit DrawingDisplayItem(sk_sp<const PaintRecord> record);
@@ -45,4 +45,4 @@ class CC_EXPORT DrawingDisplayItem : public DisplayItem {
 
 }  // namespace cc
 
-#endif  // CC_PLAYBACK_DRAWING_DISPLAY_ITEM_H_
+#endif  // CC_PAINT_DRAWING_DISPLAY_ITEM_H_