Add option to dump line box tree when dumping layout tree.

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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 #include "config.h"
 #include "platform/text/TextStream.h"
 
+#include "platform/LayoutUnit.h"
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/FloatSize.h"
 #include "platform/geometry/IntPoint.h"
 #include "platform/geometry/IntRect.h"
+#include "platform/geometry/LayoutPoint.h"
+#include "platform/geometry/LayoutRect.h"
+#include "platform/geometry/LayoutSize.h"
 #include "wtf/MathExtras.h"
 #include "wtf/StringExtras.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 static const size_t printBufferSize = 100; // large enough for any integer or floating point value in string format, including trailing null character
 
 static inline bool hasFractions(double val)
 {
@@ skipping 119 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();
+}
+
+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 << "  ";
 }
 
 }