Implement skew* funtion in DomMatrix & DOMMatrixReadOnly.

third_party/WebKit/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 "core/dom/DOMMatrix.h"
 
 namespace blink {
 
 DOMMatrixReadOnly* DOMMatrixReadOnly::create(Vector<double> sequence, ExceptionState& exceptionState)
 {
@@ skipping 56 matching lines @@
 {
     return DOMMatrix::create(this)->scale3dSelf(scale, ox, oy, oz);
 }
 
 DOMMatrix* DOMMatrixReadOnly::scaleNonUniform(double sx, double sy, double sz,
     double ox, double oy, double oz)
 {
     return DOMMatrix::create(this)->scaleNonUniformSelf(sx, sy, sz, ox, oy, oz);
 }
 
+DOMMatrix* DOMMatrixReadOnly::skewX(double sx)
+{
+    return DOMMatrix::create(this)->skewXSelf(sx);
+}
+
+DOMMatrix* DOMMatrixReadOnly::skewY(double sy)
+{
+    return DOMMatrix::create(this)->skewYSelf(sy);
+}
+
 DOMMatrix* DOMMatrixReadOnly::flipX()
 {
     DOMMatrix* flipX = DOMMatrix::create(this);
     flipX->setM11(-this->m11());
     flipX->setM12(-this->m12());
     flipX->setM13(-this->m13());
     flipX->setM14(-this->m14());
     return flipX;
 }
 
@@ skipping 25 matching lines @@
         m_matrix->m11(), m_matrix->m12(), m_matrix->m13(), m_matrix->m14(),
         m_matrix->m21(), m_matrix->m22(), m_matrix->m23(), m_matrix->m24(),
         m_matrix->m31(), m_matrix->m32(), m_matrix->m33(), m_matrix->m34(),
         m_matrix->m41(), m_matrix->m42(), m_matrix->m43(), m_matrix->m44()
     };
 
     return DOMFloat64Array::create(array, 16);
 }
 
 } // namespace blink