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

Source/platform/transforms/TransformOperations.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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
@@ skipping 13 matching lines @@
 
 #ifndef TransformOperations_h
 #define TransformOperations_h
 
 #include "platform/geometry/LayoutSize.h"
 #include "platform/transforms/TransformOperation.h"
 #include "wtf/RefPtr.h"
 #include "wtf/Vector.h"
 
 namespace WebCore {
-
+class FloatBox;
 class PLATFORM_EXPORT TransformOperations {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     explicit TransformOperations(bool makeIdentity = false);
 
     bool operator==(const TransformOperations& o) const;
     bool operator!=(const TransformOperations& o) const
     {
         return !(*this == o);
     }
@@ skipping 29 matching lines @@
     {
         m_operations.clear();
     }
 
     Vector<RefPtr<TransformOperation> >& operations() { return m_operations; }
     const Vector<RefPtr<TransformOperation> >& operations() const { return m_operations; }
 
     size_t size() const { return m_operations.size(); }
     const TransformOperation* at(size_t index) const { return index < m_operations.size() ? m_operations.at(index).get() : 0; }
 
+    bool blendedBoundsForBox(const FloatBox&, const TransformOperations& from, const double& minProgress, const double& maxProgress, FloatBox* bounds) const;
     TransformOperations blendByMatchingOperations(const TransformOperations& from, const double& progress) const;
     TransformOperations blendByUsingMatrixInterpolation(const TransformOperations& from, double progress) const;
     TransformOperations blend(const TransformOperations& from, double progress) const;
     TransformOperations add(const TransformOperations& addend) const;
 
 private:
     Vector<RefPtr<TransformOperation> > m_operations;
 };
 
 } // namespace WebCore
 
 #endif // TransformOperations_h