[GeometryInterface] parameter was changed to DOMMatrixReadOnly.

third_party/WebKit/Source/core/dom/DOMMatrix.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 {
 
 DOMMatrix* DOMMatrix::create(ExceptionState& exceptionState) {
   return new DOMMatrix(TransformationMatrix());
@@ skipping 108 matching lines @@
     return nullptr;
   }
   if (!otherMatrix->is2D())
     m_is2D = false;
 
   *m_matrix *= otherMatrix->matrix();
 
   return this;
 }
 
+DOMMatrix* DOMMatrix::multiplySelf(DOMMatrixReadOnly* other,
+                                   ExceptionState& exceptionState) {
+  if (!other->is2D())
+    m_is2D = false;
+
+  *m_matrix *= other->matrix();
+
+  return this;
+}
+
 DOMMatrix* DOMMatrix::preMultiplySelf(DOMMatrixInit& other,
                                       ExceptionState& exceptionState) {
   DOMMatrix* otherMatrix = DOMMatrix::fromMatrix(other, exceptionState);
   if (!otherMatrix) {
     DCHECK(exceptionState.hadException());
     return nullptr;
   }
   if (!otherMatrix->is2D())
     m_is2D = false;
 
@@ skipping 119 matching lines @@
   return this;
 }
 
 DOMMatrix* DOMMatrix::setMatrixValue(const String& inputString,
                                      ExceptionState& exceptionState) {
   setMatrixValueFromString(inputString, exceptionState);
   return this;
 }
 
 }  // namespace blink