[GeometryInterface] add transformPoint(point) function.

third_party/WebKit/Source/core/dom/DOMMatrixReadOnly.h

Index: third_party/WebKit/Source/core/dom/DOMMatrixReadOnly.h
diff --git a/third_party/WebKit/Source/core/dom/DOMMatrixReadOnly.h b/third_party/WebKit/Source/core/dom/DOMMatrixReadOnly.h
index 9a8279e09f8333a8258af5f2f2881166522d15bb..ba5ef3173a4066a31050a7ec73e5488aa6b7f15b 100644
--- a/third_party/WebKit/Source/core/dom/DOMMatrixReadOnly.h
+++ b/third_party/WebKit/Source/core/dom/DOMMatrixReadOnly.h
@@ -16,6 +16,8 @@ namespace blink {
 
 class DOMMatrix;
 class DOMMatrixInit;
+class DOMPoint;
+class DOMPointInit;
 
 class CORE_EXPORT DOMMatrixReadOnly
     : public GarbageCollectedFinalized<DOMMatrixReadOnly>,
@@ -83,6 +85,8 @@ class CORE_EXPORT DOMMatrixReadOnly
   DOMMatrix* flipY();
   DOMMatrix* inverse();
 
+  DOMPoint* transformPoint(const DOMPointInit&);
+
   DOMFloat32Array* toFloat32Array() const;
   DOMFloat64Array* toFloat64Array() const;