Fixup a bug about SVG text selection.

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 145 matching lines @@
         m_size.setWidth(m_size.width() + dx + dx);
     }
     void inflateY(float dy)
     {
         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);
+    float distanceFromPoint(const FloatPoint&);
 
     FloatRect transposedRect() const { return FloatRect(m_location.transposedPoint(), m_size.transposedSize()); }
 
 #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
@@ skipping 65 matching lines @@
 PLATFORM_EXPORT IntRect enclosedIntRect(const FloatRect&);
 
 PLATFORM_EXPORT IntRect roundedIntRect(const FloatRect&);
 
 // Map supplied rect from srcRect to an equivalent rect in destRect.
 PLATFORM_EXPORT FloatRect mapRect(const FloatRect&, const FloatRect& srcRect, const FloatRect& destRect);
 
 }
 
 #endif