Implement serialization/deserialization of geometry interfaces

third_party/WebKit/Source/core/geometry/DOMMatrixReadOnly.cpp

Index: third_party/WebKit/Source/core/geometry/DOMMatrixReadOnly.cpp
diff --git a/third_party/WebKit/Source/core/geometry/DOMMatrixReadOnly.cpp b/third_party/WebKit/Source/core/geometry/DOMMatrixReadOnly.cpp
index b7e45a254475d8ac7e1c99b4eff15ad2e6ec1129..dd32bbcc5128b1ee3cd1a7107f89d22751ec3ceb 100644
--- a/third_party/WebKit/Source/core/geometry/DOMMatrixReadOnly.cpp
+++ b/third_party/WebKit/Source/core/geometry/DOMMatrixReadOnly.cpp
@@ -129,6 +129,11 @@ DOMMatrixReadOnly* DOMMatrixReadOnly::Create(
   return nullptr;
 }
 
+DOMMatrixReadOnly* DOMMatrixReadOnly::CreateForSerialization(double sequence[],
+                                                             int size) {
+  return new DOMMatrixReadOnly(sequence, size);
+}
+
 DOMMatrixReadOnly* DOMMatrixReadOnly::fromFloat32Array(
     NotShared<DOMFloat32Array> float32_array,
     ExceptionState& exception_state) {
@@ -164,10 +169,9 @@ DOMMatrixReadOnly* DOMMatrixReadOnly::fromMatrix(
     DCHECK(exception_state.HadException());
     return nullptr;
   }
-
   if (other.is2D()) {
-    double args[] = {other.m11(), other.m12(), other.m21(),
-                     other.m22(), other.m41(), other.m42()};
+    double args[] = {other.a(), other.b(), other.c(),
+                     other.d(), other.e(), other.f()};
     return new DOMMatrixReadOnly(args, 6);
   }