GeometryInterace: Add rotate methods.

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),
     // FIXME: Should implement more constructors (See: crbug.com/388780)
@@ skipping 38 matching lines @@
     DOMMatrix scale3dSelf(unrestricted double scale,
                           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);
+    DOMMatrix rotateSelf(optional unrestricted double rotX = 0,
+                         optional unrestricted double rotY,
+                         optional unrestricted double rotZ);
+    DOMMatrix rotateFromVectorSelf(optional unrestricted double x = 0,
+                                   optional unrestricted double y = 0);
+    DOMMatrix rotateAxisAngleSelf(optional unrestricted double x = 0,
+                                  optional unrestricted double y = 0,
+                                  optional unrestricted double z = 0,
+                                  optional unrestricted double angle = 0);
 };