Blink-side contiguous allocation of display items.

Source/platform/graphics/paint/Transform3DDisplayItem.h

Index: Source/platform/graphics/paint/Transform3DDisplayItem.h
diff --git a/Source/platform/graphics/paint/Transform3DDisplayItem.h b/Source/platform/graphics/paint/Transform3DDisplayItem.h
index 0da46241de9dc02f44311b9b9448bb66c58e78c6..4aa99f4cbf3dd76673a05d8ba063f6c80b97a327 100644
--- a/Source/platform/graphics/paint/Transform3DDisplayItem.h
+++ b/Source/platform/graphics/paint/Transform3DDisplayItem.h
@@ -8,18 +8,11 @@
 #include "platform/graphics/paint/DisplayItem.h"
 #include "platform/transforms/TransformationMatrix.h"
 #include "wtf/Assertions.h"
-#include "wtf/PassOwnPtr.h"
 
 namespace blink {
 
 class PLATFORM_EXPORT BeginTransform3DDisplayItem : public PairedBeginDisplayItem {
-    WTF_MAKE_FAST_ALLOCATED(BeginTransform3DDisplayItem);
 public:
-    static PassOwnPtr<BeginTransform3DDisplayItem> create(const DisplayItemClientWrapper& client, DisplayItem::Type type, const TransformationMatrix& transform)
-    {
-        return adoptPtr(new BeginTransform3DDisplayItem(client, type, transform));
-    }
-
     BeginTransform3DDisplayItem(const DisplayItemClientWrapper& client, DisplayItem::Type type, const TransformationMatrix& transform)
         : PairedBeginDisplayItem(client, type)
         , m_transform(transform)
@@ -29,6 +22,7 @@ public:
 
     virtual void replay(GraphicsContext&) override;
     virtual void appendToWebDisplayItemList(WebDisplayItemList*) const override;
+    void appendByMoving(DisplayItems&) override;
 
     const TransformationMatrix& transform() const { return m_transform; }
 
@@ -38,13 +32,7 @@ private:
 };
 
 class PLATFORM_EXPORT EndTransform3DDisplayItem : public PairedEndDisplayItem {
-    WTF_MAKE_FAST_ALLOCATED(EndTransform3DDisplayItem);
 public:
-    static PassOwnPtr<EndTransform3DDisplayItem> create(const DisplayItemClientWrapper& client, DisplayItem::Type type)
-    {
-        return adoptPtr(new EndTransform3DDisplayItem(client, type));
-    }
-
     EndTransform3DDisplayItem(const DisplayItemClientWrapper& client, DisplayItem::Type type)
         : PairedEndDisplayItem(client, type)
     {
@@ -53,6 +41,7 @@ public:
 
     virtual void replay(GraphicsContext&) override;
     virtual void appendToWebDisplayItemList(WebDisplayItemList*) const override;
+    void appendByMoving(DisplayItems&) override;
 
 private:
 #if ENABLE(ASSERT)