[GeometryInterface] Add rotate*(), rotateFromVector*() function.

third_party/WebKit/Source/core/dom/DOMMatrixReadOnly.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(sequence<unrestricted double> numberSequence),
     RaisesException=Constructor,
     // FIXME: Exposed=(Window,Worker)
@@ skipping 43 matching lines @@
     DOMMatrix scale(optional unrestricted double scaleX = 1,
                     optional unrestricted double scaleY,
                     optional unrestricted double scaleZ = 1,
                     optional unrestricted double originX = 0,
                     optional unrestricted double originY = 0,
                     optional unrestricted double originZ = 0);
     DOMMatrix scale3d(unrestricted double scale,
                       optional unrestricted double originX = 0,
                       optional unrestricted double originY = 0,
                       optional unrestricted double originZ = 0);
+    DOMMatrix rotate(optional unrestricted double rotX = 0,
+                     optional unrestricted double rotY,
+                     optional unrestricted double rotZ);
+    DOMMatrix rotateFromVector(optional unrestricted double x = 0,
+                           optional unrestricted double y = 0);
     DOMMatrix rotateAxisAngle(optional unrestricted double x = 0,
                               optional unrestricted double y = 0,
                               optional unrestricted double z = 0,
                               optional unrestricted double angle = 0);
     DOMMatrix skewX(optional unrestricted double sx = 0);
     DOMMatrix skewY(optional unrestricted double sy = 0);
     [RaisesException] DOMMatrix multiply(optional DOMMatrixInit other);
     DOMMatrix flipX();
     DOMMatrix flipY();
     DOMMatrix inverse();
 
     Float32Array toFloat32Array();
     Float64Array toFloat64Array();
     stringifier;
 };