Add a use-counter for transforms using the reference box on SVG element

third_party/WebKit/Source/platform/transforms/TranslateTransformOperation.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 29 matching lines @@
     return adoptRef(new TranslateTransformOperation(tx, ty, 0, type));
   }
 
   static PassRefPtr<TranslateTransformOperation> create(const Length& tx,
                                                         const Length& ty,
                                                         double tz,
                                                         OperationType type) {
     return adoptRef(new TranslateTransformOperation(tx, ty, tz, type));
   }
 
-  virtual bool canBlendWith(const TransformOperation& other) const;
+  bool canBlendWith(const TransformOperation& other) const override;
+  bool dependsOnBoxSize() const override {
+    return m_x.isPercentOrCalc() || m_y.isPercentOrCalc();
+  }
 
   double x(const FloatSize& borderBoxSize) const {
     return floatValueForLength(m_x, borderBoxSize.width());
   }
   double y(const FloatSize& borderBoxSize) const {
     return floatValueForLength(m_y, borderBoxSize.height());
   }
 
   Length x() const { return m_x; }
   Length y() const { return m_y; }
@@ skipping 23 matching lines @@
     return m_x == t->m_x && m_y == t->m_y && m_z == t->m_z;
   }
 
   PassRefPtr<TransformOperation> blend(const TransformOperation* from,
                                        double progress,
                                        bool blendToIdentity = false) override;
   PassRefPtr<TransformOperation> zoom(double factor) final {
     return zoomTranslate(factor);
   }
 
-  bool dependsOnBoxSize() const override {
-    return m_x.isPercentOrCalc() || m_y.isPercentOrCalc();
-  }
-
   TranslateTransformOperation(const Length& tx,
                               const Length& ty,
                               double tz,
                               OperationType type)
       : m_x(tx), m_y(ty), m_z(tz), m_type(type) {
     ASSERT(isMatchingOperationType(type));
   }
 
   Length m_x;
   Length m_y;
   double m_z;
   OperationType m_type;
 };
 
 DEFINE_TRANSFORM_TYPE_CASTS(TranslateTransformOperation);
 
 }  // namespace blink
 
 #endif  // TranslateTransformOperation_h