Adding Blink-side 3d Box and Bounds calculations to TransformOperations

Source/platform/transforms/SkewTransformOperation.cpp

 /*
  * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 22 matching lines @@
 
     if (blendToIdentity)
         return SkewTransformOperation::create(WebCore::blend(m_angleX, 0.0, progress), WebCore::blend(m_angleY, 0.0, progress), m_type);
 
     const SkewTransformOperation* fromOp = static_cast<const SkewTransformOperation*>(from);
     double fromAngleX = fromOp ? fromOp->m_angleX : 0;
     double fromAngleY = fromOp ? fromOp->m_angleY : 0;
     return SkewTransformOperation::create(WebCore::blend(fromAngleX, m_angleX, progress), WebCore::blend(fromAngleY, m_angleY, progress), m_type);
 }
 
+bool SkewTransformOperation::canBlendWith(const TransformOperation& other) const
+{
+    return isSameType(other);
+}
+
 } // namespace WebCore