Centralize TextStream functions to remove RenderTreeAsText dependency of the filters

Source/core/rendering/RenderTreeAsText.cpp

 /*
  * Copyright (C) 2004, 2006, 2007 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 51 matching lines @@
 #include "wtf/UnusedParam.h"
 #include "wtf/Vector.h"
 #include "wtf/unicode/CharacterNames.h"
 
 namespace WebCore {
 
 using namespace HTMLNames;
 
 static void writeLayers(TextStream&, const RenderLayer* rootLayer, RenderLayer*, const LayoutRect& paintDirtyRect, int indent = 0, RenderAsTextBehavior = RenderAsTextBehaviorNormal);
 
-TextStream& operator<<(TextStream& ts, const IntRect& r)
-{
-    return ts << "at (" << r.x() << "," << r.y() << ") size " << r.width() << "x" << r.height();
-}
-
-TextStream& operator<<(TextStream& ts, const IntPoint& p)
-{
-    return ts << "(" << p.x() << "," << p.y() << ")";
-}
-
-TextStream& operator<<(TextStream& ts, const FloatPoint& p)
-{
-    ts << "(" << TextStream::FormatNumberRespectingIntegers(p.x());
-    ts << "," << TextStream::FormatNumberRespectingIntegers(p.y());
-    ts << ")";
-    return ts;
-}
-
-TextStream& operator<<(TextStream& ts, const FloatSize& s)
-{
-    ts << "width=" << TextStream::FormatNumberRespectingIntegers(s.width());
-    ts << " height=" << TextStream::FormatNumberRespectingIntegers(s.height());
-    return ts;
-}
-
-void writeIndent(TextStream& ts, int indent)
-{
-    for (int i = 0; i != indent; ++i)
-        ts << "  ";
-}
-
 static void printBorderStyle(TextStream& ts, const EBorderStyle borderStyle)
 {
     switch (borderStyle) {
         case BNONE:
             ts << "none";
             break;
         case BHIDDEN:
             ts << "hidden";
             break;
         case INSET:
@@ skipping 744 matching lines @@
     element->document().updateLayout();
 
     RenderObject* renderer = element->renderer();
     if (!renderer || !renderer->isListItem())
         return String();
 
     return toRenderListItem(renderer)->markerText();
 }
 
 } // namespace WebCore