Sync the DOM* geometry interfaces with the spec

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),
     // FIXME: Should implement more constructors (See: crbug.com/388780)
+    // FIXME: Exposed=(Window,Worker)
     RuntimeEnabled=GeometryInterfaces,
 ] interface DOMMatrix : DOMMatrixReadOnly {
+    // FIXME: The attributes should have the inherit keyword (See: crbug.com/462097)
     // These attributes are simple aliases for certain elements of the 4x4 matrix
     attribute unrestricted double a;
     attribute unrestricted double b;
     attribute unrestricted double c;
     attribute unrestricted double d;
     attribute unrestricted double e;
     attribute unrestricted double f;
 
     attribute unrestricted double m11;
     attribute unrestricted double m12;
@@ skipping 13 matching lines @@
     attribute unrestricted double m44;
 
     // FIXME: Should implement some methods (See: crbug.com/388780)
     // Mutable transform methods
     DOMMatrix multiplySelf(DOMMatrix other);
     DOMMatrix preMultiplySelf(DOMMatrix other);
     DOMMatrix translateSelf(unrestricted double tx,
                             unrestricted double ty,
                             optional unrestricted double tz = 0);
     DOMMatrix scaleSelf(unrestricted double scale,
-                        optional unrestricted double ox = 0,
-                        optional unrestricted double oy = 0);
+                        optional unrestricted double originX = 0,
+                        optional unrestricted double originY = 0);
     DOMMatrix scale3dSelf(unrestricted double scale,
-                          optional unrestricted double ox = 0,
-                          optional unrestricted double oy = 0,
-                          optional unrestricted double oz = 0);
-    DOMMatrix scaleNonUniformSelf(unrestricted double sx,
-                                  optional unrestricted double sy = 1,
-                                  optional unrestricted double sz = 1,
-                                  optional unrestricted double ox = 0,
-                                  optional unrestricted double oy = 0,
-                                  optional unrestricted double oz = 0);
+                          optional unrestricted double originX = 0,
+                          optional unrestricted double originY = 0,
+                          optional unrestricted double originZ = 0);
+    DOMMatrix scaleNonUniformSelf(unrestricted double scaleX,
+                                  optional unrestricted double scaleY = 1,
+                                  optional unrestricted double scaleZ = 1,
+                                  optional unrestricted double originX = 0,
+                                  optional unrestricted double originY = 0,
+                                  optional unrestricted double originZ = 0);
 };