[GeometryInterface] Add setMatrixValue(transfromList) function.

third_party/WebKit/Source/core/dom/DOMMatrix.idl

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // http://dev.w3.org/fxtf/geometry/#DOMMatrix
 
 [
     Constructor,
     Constructor(DOMMatrixReadOnly other),
     Constructor(sequence<unrestricted double> numberSequence),
@@ skipping 52 matching lines @@
                           optional unrestricted double originX = 0,
                           optional unrestricted double originY = 0,
                           optional unrestricted double originZ = 0);
     DOMMatrix rotateAxisAngleSelf(optional unrestricted double x = 0,
                                   optional unrestricted double y = 0,
                                   optional unrestricted double z = 0,
                                   optional unrestricted double angle = 0);
     DOMMatrix skewXSelf(optional unrestricted double sx = 0);
     DOMMatrix skewYSelf(optional unrestricted double sy = 0);
     DOMMatrix invertSelf();
+
+    [RaisesException] DOMMatrix setMatrixValue(DOMString transformList);
 };