Support subpixel layout for borders.

third_party/WebKit/Source/platform/text/TextStream.cpp

 /*
  * Copyright (C) 2004, 2008, 2010 Apple Inc. 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 141 matching lines @@
 
 TextStream& operator<<(TextStream& ts, const FloatRect& r) {
   ts << "at (" << TextStream::FormatNumberRespectingIntegers(r.x());
   ts << "," << TextStream::FormatNumberRespectingIntegers(r.y());
   ts << ") size " << TextStream::FormatNumberRespectingIntegers(r.width());
   ts << "x" << TextStream::FormatNumberRespectingIntegers(r.height());
   return ts;
 }
 
 TextStream& operator<<(TextStream& ts, const LayoutUnit& unit) {
-  return ts << unit.toDouble();
+  return ts << TextStream::FormatNumberRespectingIntegers(unit.toDouble());
 }
 
 TextStream& operator<<(TextStream& ts, const LayoutPoint& point) {
   return ts << FloatPoint(point);
 }
 
 TextStream& operator<<(TextStream& ts, const LayoutRect& rect) {
   return ts << FloatRect(rect);
 }
 
 TextStream& operator<<(TextStream& ts, const LayoutSize& size) {
   return ts << FloatSize(size);
 }
 
 void writeIndent(TextStream& ts, int indent) {
   for (int i = 0; i != indent; ++i)
     ts << "  ";
 }
 
 }  // namespace blink