Fix alignment issue of ContiguousContainer

third_party/WebKit/Source/platform/graphics/paint/Transform3DDisplayItem.h

Index: third_party/WebKit/Source/platform/graphics/paint/Transform3DDisplayItem.h
diff --git a/third_party/WebKit/Source/platform/graphics/paint/Transform3DDisplayItem.h b/third_party/WebKit/Source/platform/graphics/paint/Transform3DDisplayItem.h
index b25dcd59e8cb455d3fd6eb92dbe91689a6deba0c..88a9aad01681732b92e4fcef44b3f86bf25ea4f9 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/Transform3DDisplayItem.h
+++ b/third_party/WebKit/Source/platform/graphics/paint/Transform3DDisplayItem.h
@@ -12,14 +12,14 @@
 
 namespace blink {
 
-class PLATFORM_EXPORT BeginTransform3DDisplayItem final : public PairedBeginDisplayItem {
+class PLATFORM_EXPORT BeginTransform3DDisplayItem final : public PairedBeginDisplayItem<BeginTransform3DDisplayItem> {
 public:
     BeginTransform3DDisplayItem(
         const DisplayItemClient& client,
         Type type,
         const TransformationMatrix& transform,
         const FloatPoint3D& transformOrigin)
-        : PairedBeginDisplayItem(client, type, sizeof(*this))
+        : PairedBeginDisplayItem(client, type)
         , m_transform(transform)
         , m_transformOrigin(transformOrigin)
     {
@@ -49,10 +49,10 @@ private:
     const FloatPoint3D m_transformOrigin;
 };
 
-class PLATFORM_EXPORT EndTransform3DDisplayItem final : public PairedEndDisplayItem {
+class PLATFORM_EXPORT EndTransform3DDisplayItem final : public PairedEndDisplayItem<EndTransform3DDisplayItem> {
 public:
     EndTransform3DDisplayItem(const DisplayItemClient& client, Type type)
-        : PairedEndDisplayItem(client, type, sizeof(*this))
+        : PairedEndDisplayItem(client, type)
     {
         ASSERT(DisplayItem::isEndTransform3DType(type));
     }