Blink-side contiguous allocation of display items.

Source/core/paint/TransformRecorder.cpp

Index: Source/core/paint/TransformRecorder.cpp
diff --git a/Source/core/paint/TransformRecorder.cpp b/Source/core/paint/TransformRecorder.cpp
index 587f8c99cd549ca24e6fd2bf25b5d216bd1b7963..62a6b68e93ac4116ebd659548f366a22c65ffe6e 100644
--- a/Source/core/paint/TransformRecorder.cpp
+++ b/Source/core/paint/TransformRecorder.cpp
@@ -25,7 +25,7 @@ TransformRecorder::TransformRecorder(GraphicsContext& context, const DisplayItem
         ASSERT(m_context.displayItemList());
         if (m_context.displayItemList()->displayItemConstructionIsDisabled())
             return;
-        m_context.displayItemList()->add(BeginTransformDisplayItem::create(m_client, transform));
+        m_context.displayItemList()->createAndAppend<BeginTransformDisplayItem>(m_client, transform);
     } else {
         BeginTransformDisplayItem beginTransform(m_client, transform);
         beginTransform.replay(m_context);
@@ -43,7 +43,7 @@ TransformRecorder::~TransformRecorder()
             if (m_context.displayItemList()->lastDisplayItemIsNoopBegin())
                 m_context.displayItemList()->removeLastDisplayItem();
             else
-                m_context.displayItemList()->add(EndTransformDisplayItem::create(m_client));
+                m_context.displayItemList()->createAndAppend<EndTransformDisplayItem>(m_client);
         }
     } else {
         EndTransformDisplayItem endTransform(m_client);