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

cc/layers/recording_source.h

Index: cc/layers/recording_source.h
diff --git a/cc/playback/recording_source.h b/cc/layers/recording_source.h
similarity index 94%
rename from cc/playback/recording_source.h
rename to cc/layers/recording_source.h
index 802aaf65bd09a7a3b59a04645b581aa3df032a0a..dadb0e77548222907f7ed1b1422d7fb9e268f75f 100644
--- a/cc/playback/recording_source.h
+++ b/cc/layers/recording_source.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CC_PLAYBACK_RECORDING_SOURCE_H_
-#define CC_PLAYBACK_RECORDING_SOURCE_H_
+#ifndef CC_LAYERS_RECORDING_SOURCE_H_
+#define CC_LAYERS_RECORDING_SOURCE_H_
 
 #include <stddef.h>
 
@@ -11,8 +11,8 @@
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "cc/base/cc_export.h"
 #include "cc/base/invalidation_region.h"
+#include "cc/cc_export.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
@@ -90,4 +90,4 @@ class CC_EXPORT RecordingSource {
 
 }  // namespace cc
 
-#endif  // CC_PLAYBACK_RECORDING_SOURCE_H_
+#endif  // CC_LAYERS_RECORDING_SOURCE_H_