Blink-side contiguous allocation of display items.

Source/platform/graphics/paint/Transform3DDisplayItem.cpp

 // 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 "config.h"
 #include "platform/graphics/paint/Transform3DDisplayItem.h"
 
 #include "platform/graphics/GraphicsContext.h"
+#include "platform/graphics/paint/DisplayItems.h"
 #include "platform/transforms/AffineTransform.h"
 #include "public/platform/WebDisplayItemList.h"
 
 namespace blink {
 
 void BeginTransform3DDisplayItem::replay(GraphicsContext& context)
 {
     context.save();
     context.concatCTM(m_transform.toAffineTransform());
 }
 
 void BeginTransform3DDisplayItem::appendToWebDisplayItemList(WebDisplayItemList* list) const
 {
     list->appendTransformItem(TransformationMatrix::toSkMatrix44(m_transform));
 }
 
+void BeginTransform3DDisplayItem::appendByMoving(DisplayItems& destination)
+{
+    destination.emplaceBack<BeginTransform3DDisplayItem>(
+        DisplayItemClientWrapperHelper(*this), type(), m_transform);
+}
+
 void EndTransform3DDisplayItem::replay(GraphicsContext& context)
 {
     context.restore();
 }
 
 void EndTransform3DDisplayItem::appendToWebDisplayItemList(WebDisplayItemList* list) const
 {
     list->appendEndTransformItem();
 }
 
+void EndTransform3DDisplayItem::appendByMoving(DisplayItems& destination)
+{
+    destination.emplaceBack<EndTransform3DDisplayItem>(
+        DisplayItemClientWrapperHelper(*this), type());
+}
+
 } // namespace blink