Blink-side contiguous allocation of display items.

Source/platform/graphics/paint/ClipPathRecorder.cpp

Index: Source/platform/graphics/paint/ClipPathRecorder.cpp
diff --git a/Source/platform/graphics/paint/ClipPathRecorder.cpp b/Source/platform/graphics/paint/ClipPathRecorder.cpp
index 0107ddcafe430d52f6779e03bfe43ded5c14d45e..86febf93191f42a360d93a9ab3a47e0b99f44d89 100644
--- a/Source/platform/graphics/paint/ClipPathRecorder.cpp
+++ b/Source/platform/graphics/paint/ClipPathRecorder.cpp
@@ -20,7 +20,7 @@ ClipPathRecorder::ClipPathRecorder(GraphicsContext& context, const DisplayItemCl
         ASSERT(m_context.displayItemList());
         if (m_context.displayItemList()->displayItemConstructionIsDisabled())
             return;
-        m_context.displayItemList()->add(BeginClipPathDisplayItem::create(m_client, clipPath));
+        m_context.displayItemList()->createAndAppend<BeginClipPathDisplayItem>(m_client, clipPath);
     } else {
         BeginClipPathDisplayItem clipPathDisplayItem(m_client, clipPath);
         clipPathDisplayItem.replay(m_context);
@@ -35,7 +35,7 @@ ClipPathRecorder::~ClipPathRecorder()
             if (m_context.displayItemList()->lastDisplayItemIsNoopBegin())
                 m_context.displayItemList()->removeLastDisplayItem();
             else
-                m_context.displayItemList()->add(EndClipPathDisplayItem::create(m_client));
+                m_context.displayItemList()->createAndAppend<EndClipPathDisplayItem>(m_client);
         }
     } else {
         EndClipPathDisplayItem endClipPathDisplayItem(m_client);