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

cc/paint/discardable_image_map.cc

 // 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.
 
-#include "cc/playback/discardable_image_map.h"
+#include "cc/paint/discardable_image_map.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <limits>
 
 #include "base/containers/adapters.h"
 #include "base/memory/ptr_util.h"
 #include "cc/base/math_util.h"
-#include "cc/playback/display_item_list.h"
+#include "cc/paint/display_item_list.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "third_party/skia/include/utils/SkNWayCanvas.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 #include "ui/gfx/skia_util.h"
 
 namespace cc {
 
 SkRect MapRect(const SkMatrix& matrix, const SkRect& src) {
   SkRect dst;
   matrix.mapRect(&dst, src);
@@ skipping 261 matching lines @@
     DiscardableImageMap* image_map,
     const gfx::Size& bounds)
     : image_map_(image_map),
       metadata_canvas_(image_map->BeginGeneratingMetadata(bounds)) {}
 
 DiscardableImageMap::ScopedMetadataGenerator::~ScopedMetadataGenerator() {
   image_map_->EndGeneratingMetadata();
 }
 
 }  // namespace cc