CSS Typed OM: asMatrix for TransformComponent with LengthValue types

third_party/WebKit/Source/core/css/cssom/SkewTransformComponent.h

Index: third_party/WebKit/Source/core/css/cssom/SkewTransformComponent.h
diff --git a/third_party/WebKit/Source/core/css/cssom/SkewTransformComponent.h b/third_party/WebKit/Source/core/css/cssom/SkewTransformComponent.h
index 2c0003f7c5f231c1b8f6212ac5a3b169c3a9dab6..4202d9fef80040c25b0ad65ea9dee55fe96c7c55 100644
--- a/third_party/WebKit/Source/core/css/cssom/SkewTransformComponent.h
+++ b/third_party/WebKit/Source/core/css/cssom/SkewTransformComponent.h
@@ -10,6 +10,8 @@
 
 namespace blink {
 
+class ExceptionState;
+
 class CORE_EXPORT SkewTransformComponent final : public TransformComponent {
     WTF_MAKE_NONCOPYABLE(SkewTransformComponent);
     DEFINE_WRAPPERTYPEINFO();
@@ -24,7 +26,7 @@ public:
 
     TransformComponentType type() const override { return SkewType; }
 
-    MatrixTransformComponent* asMatrix() const override
+    MatrixTransformComponent* asMatrix(ExceptionState&) const override
     {
         return MatrixTransformComponent::skew(m_ax, m_ay);
     }