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

cc/paint/compositing_display_item.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/compositing_display_item.h"
+#include "cc/paint/compositing_display_item.h"
 
 #include "third_party/skia/include/core/SkColorFilter.h"
 
 namespace cc {
 
 CompositingDisplayItem::CompositingDisplayItem(
     uint8_t alpha,
     SkBlendMode xfermode,
     SkRect* bounds,
     sk_sp<SkColorFilter> color_filter,
     bool lcd_text_requires_opaque_layer)
     : DisplayItem(COMPOSITING),
       alpha(alpha),
       xfermode(xfermode),
       has_bounds(!!bounds),
       bounds(bounds ? SkRect(*bounds) : SkRect()),
       color_filter(std::move(color_filter)),
       lcd_text_requires_opaque_layer(lcd_text_requires_opaque_layer) {}
 
 CompositingDisplayItem::~CompositingDisplayItem() = default;
 
 EndCompositingDisplayItem::EndCompositingDisplayItem()
     : DisplayItem(END_COMPOSITING) {}
 
 EndCompositingDisplayItem::~EndCompositingDisplayItem() = default;
 
 }  // namespace cc