Implement FloatRect::squaredDistanceTo function

third_party/WebKit/Source/platform/geometry/FloatRect.h

 /*
  * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2005 Nokia.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 151 matching lines @@
     {
         m_location.setY(m_location.y() - dy);
         m_size.setHeight(m_size.height() + dy + dy);
     }
     void inflate(float d) { inflateX(d); inflateY(d); }
     void scale(float s) { scale(s, s); }
     void scale(float sx, float sy);
 
     FloatRect transposedRect() const { return FloatRect(m_location.transposedPoint(), m_size.transposedSize()); }
 
+    float squaredDistanceTo(const FloatPoint&) const;
+
 #if OS(MACOSX)
     FloatRect(const CGRect&);
     operator CGRect() const;
 #if defined(__OBJC__) && !defined(NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES)
     FloatRect(const NSRect&);
     operator NSRect() const;
 #endif
 #endif
 
     operator SkRect() const { return SkRect::MakeXYWH(x(), y(), width(), height()); }
@@ skipping 67 matching lines @@
 // Map supplied rect from srcRect to an equivalent rect in destRect.
 PLATFORM_EXPORT FloatRect mapRect(const FloatRect&, const FloatRect& srcRect, const FloatRect& destRect);
 
 // Redeclared here to avoid ODR issues.
 // See platform/testing/GeometryPrinters.h.
 void PrintTo(const FloatRect&, std::ostream*);
 
 } // namespace blink
 
 #endif