Prepare for removing WebTransformationMatrix from animation APIs

webkit/compositor_bindings/web_transformation_matrix_util.cc

 // Copyright 2013 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.
 
 #include "webkit/compositor_bindings/web_transformation_matrix_util.h"
 
 using WebKit::WebTransformationMatrix;
 
 namespace webkit {
 
@@ skipping 10 matching lines @@
                         matrix.m13(),
                         matrix.m23(),
                         matrix.m33(),
                         matrix.m43(),
                         matrix.m14(),
                         matrix.m24(),
                         matrix.m34(),
                         matrix.m44());
 }
 
-WebTransformationMatrix WebTransformationMatrixUtil::ToWebTransformationMatrix(
-    const gfx::Transform& transform) {
-  return WebTransformationMatrix(transform.matrix().getDouble(0, 0),
-                                 transform.matrix().getDouble(1, 0),
-                                 transform.matrix().getDouble(2, 0),
-                                 transform.matrix().getDouble(3, 0),
-                                 transform.matrix().getDouble(0, 1),
-                                 transform.matrix().getDouble(1, 1),
-                                 transform.matrix().getDouble(2, 1),
-                                 transform.matrix().getDouble(3, 1),
-                                 transform.matrix().getDouble(0, 2),
-                                 transform.matrix().getDouble(1, 2),
-                                 transform.matrix().getDouble(2, 2),
-                                 transform.matrix().getDouble(3, 2),
-                                 transform.matrix().getDouble(0, 3),
-                                 transform.matrix().getDouble(1, 3),
-                                 transform.matrix().getDouble(2, 3),
-                                 transform.matrix().getDouble(3, 3));
-
-}
-
 }  // namespace webkit