1 files changed, 42 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/platform/graphics/paint/scroll_display_item.cc b/chromium/third_party/blink/renderer/platform/graphics/paint/scroll_display_item.cc
new file mode 100644
index 00000000000..3e52d0ab021
--- /dev/null
+++ b/chromium/third_party/blink/renderer/platform/graphics/paint/scroll_display_item.cc
@@ -0,0 +1,42 @@
+// Copyright 2014 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 "third_party/blink/renderer/platform/graphics/paint/scroll_display_item.h"
+
+#include "third_party/blink/public/platform/web_display_item_list.h"
+#include "third_party/blink/renderer/platform/graphics/graphics_context.h"
+#include "third_party/blink/renderer/platform/transforms/affine_transform.h"
+
+namespace blink {
+
+void BeginScrollDisplayItem::Replay(GraphicsContext& context) const {
+  context.Save();
+  context.Translate(-current_offset_.Width(), -current_offset_.Height());
+}
+
+void BeginScrollDisplayItem::AppendToWebDisplayItemList(
+    const FloatSize&,
+    WebDisplayItemList* list) const {
+  WebDisplayItemList::ScrollContainerId scroll_container_id = &Client();
+  list->AppendScrollItem(current_offset_, scroll_container_id);
+}
+
+#if DCHECK_IS_ON()
+void BeginScrollDisplayItem::PropertiesAsJSON(JSONObject& json) const {
+  PairedBeginDisplayItem::PropertiesAsJSON(json);
+  json.SetString("currentOffset", current_offset_.ToString());
+}
+#endif
+
+void EndScrollDisplayItem::Replay(GraphicsContext& context) const {
+  context.Restore();
+}
+
+void EndScrollDisplayItem::AppendToWebDisplayItemList(
+    const FloatSize&,
+    WebDisplayItemList* list) const {
+  list->AppendEndScrollItem();
+}
+
+}  // namespace blink