Implement skew*() methods in DOMMatrix.

Source/core/dom/DOMMatrixReadOnly.cpp

 // 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.
 
 #include "config.h"
 #include "core/dom/DOMMatrix.h"
 
 namespace blink {
 
 bool DOMMatrixReadOnly::is2D() const
@@ skipping 64 matching lines @@
 DOMMatrix* DOMMatrixReadOnly::rotateFromVector(double x, double y)
 {
     return DOMMatrix::create(this)->rotateFromVectorSelf(x, y);
 }
 
 DOMMatrix* DOMMatrixReadOnly::rotateAxisAngle(double x, double y, double z, double angle)
 {
     return DOMMatrix::create(this)->rotateAxisAngleSelf(x, y, z, angle);
 }
 
+DOMMatrix* DOMMatrixReadOnly::skewX(double sx)
+{
+    return DOMMatrix::create(this)->skewXSelf(sx);
+}
+
+DOMMatrix* DOMMatrixReadOnly::skewY(double sy)
+{
+    return DOMMatrix::create(this)->skewYSelf(sy);
+}
+
 } // namespace blink