[GeometryInterface] Add DOMMatrix(numberSequence) constructor.

third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix.html

Index: third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix.html
diff --git a/third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix.html b/third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix.html
index f15bf5837b7f5fc4909a3be3748425de0b6781fd..3d230cbcce9281e274f8fd4b33b7f384477ccef9 100644
--- a/third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix.html
+++ b/third_party/WebKit/LayoutTests/fast/dom/geometry-interfaces-dom-matrix.html
@@ -47,6 +47,16 @@ test(() => {
 }, "DOMMatrix fromFloat64Array - 3D matrix");
 
 test(() => {
+  var matrix = new DOMMatrix([1, 2, 3, 4, 5, 6]);
+  assert_2d_matrix_equals(matrix, [1, 2, 3, 4, 5, 6]);
+}, "DOMMatrix(numberSequence) constructor");
+
+test(() => {
+  var matrix = new DOMMatrix([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]);
+  assert_3d_matrix_equals(matrix, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]);
+}, "DOMMatrix(numberSequence) constructor");
+
+test(() => {
   var matrix = new DOMMatrix();
   matrix.a = 10;
   matrix.b = 20;