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

cc/paint/display_item.h

Index: cc/paint/display_item.h
diff --git a/cc/playback/display_item.h b/cc/paint/display_item.h
similarity index 81%
rename from cc/playback/display_item.h
rename to cc/paint/display_item.h
index 09899a80c3eccc5b97d68b48f3245fa25d8a09b2..fd783c502d5ea8f9fc21bcc06fb956cde021c5e5 100644
--- a/cc/playback/display_item.h
+++ b/cc/paint/display_item.h
@@ -2,15 +2,16 @@
 // 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"
 
@@ -18,7 +19,7 @@ class SkCanvas;
 
 namespace cc {
 
-class CC_EXPORT DisplayItem {
+class CC_PAINT_EXPORT DisplayItem {
  public:
   enum Type {
     CLIP,
@@ -51,4 +52,4 @@ class CC_EXPORT DisplayItem {
 
 }  // namespace cc
 
-#endif  // CC_PLAYBACK_DISPLAY_ITEM_H_
+#endif  // CC_PAINT_DISPLAY_ITEM_H_