Fix alignment issue of ContiguousContainer

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

Index: third_party/WebKit/Source/platform/graphics/paint/ClipPathDisplayItem.h
diff --git a/third_party/WebKit/Source/platform/graphics/paint/ClipPathDisplayItem.h b/third_party/WebKit/Source/platform/graphics/paint/ClipPathDisplayItem.h
index 721b1ee5b7f6fc467dbb2221b10ccb9e37681398..caf25f307be6bb926f7f5e6468816503b62a97d1 100644
--- a/third_party/WebKit/Source/platform/graphics/paint/ClipPathDisplayItem.h
+++ b/third_party/WebKit/Source/platform/graphics/paint/ClipPathDisplayItem.h
@@ -12,10 +12,10 @@
 
 namespace blink {
 
-class PLATFORM_EXPORT BeginClipPathDisplayItem final : public PairedBeginDisplayItem {
+class PLATFORM_EXPORT BeginClipPathDisplayItem final : public PairedBeginDisplayItem<BeginClipPathDisplayItem> {
 public:
     BeginClipPathDisplayItem(const DisplayItemClient& client, const Path& clipPath)
-        : PairedBeginDisplayItem(client, BeginClipPath, sizeof(*this))
+        : PairedBeginDisplayItem(client, BeginClipPath)
         , m_clipPath(clipPath.getSkPath()) { }
 
     void replay(GraphicsContext&) const override;
@@ -37,10 +37,10 @@ private:
 #endif
 };
 
-class PLATFORM_EXPORT EndClipPathDisplayItem final : public PairedEndDisplayItem {
+class PLATFORM_EXPORT EndClipPathDisplayItem final : public PairedEndDisplayItem<EndClipPathDisplayItem> {
 public:
     EndClipPathDisplayItem(const DisplayItemClient& client)
-        : PairedEndDisplayItem(client, EndClipPath, sizeof(*this)) { }
+        : PairedEndDisplayItem(client, EndClipPath) { }
 
     void replay(GraphicsContext&) const override;
     void appendToWebDisplayItemList(const IntRect&, WebDisplayItemList*) const override;