Make LayoutObject::showLayoutTreeForThis Windows-friendly.

third_party/WebKit/Source/core/layout/LayoutObject.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 433 matching lines @@
 
     bool skipInvalidationWhenLaidOutChildren() const;
 
 public:
 #ifndef NDEBUG
     void showTreeForThis() const;
     void showLayoutTreeForThis() const;
     void showLineTreeForThis() const;
 
     void showLayoutObject() const;
-    // We don't make printedCharacters an optional parameter so that
+    // We don't make stringBuilder an optional parameter so that
     // showLayoutObject can be called from gdb easily.
-    void showLayoutObject(int printedCharacters) const;
-    void showLayoutTreeAndMark(const LayoutObject* markedObject1 = nullptr, const char* markedLabel1 = nullptr, const LayoutObject* markedObject2 = nullptr, const char* markedLabel2 = nullptr, int depth = 0) const;
+    void showLayoutObject(StringBuilder&) const;
+    void showLayoutTreeAndMark(const LayoutObject* markedObject1 = nullptr, const char* markedLabel1 = nullptr, const LayoutObject* markedObject2 = nullptr, const char* markedLabel2 = nullptr, unsigned depth = 0) const;
 #endif
 
     // This function is used to create the appropriate LayoutObject based
     // on the style, in particular 'display' and 'content'.
     // "display: none" is the only time this function will return nullptr.
     //
     // For renderer creation, the inline-* values create the same renderer
     // as the non-inline version. The difference is that inline-* sets
     // m_isInline during initialization. This means that
     // "display: inline-table" creates a LayoutTable, like "display: table".
@@ skipping 1711 matching lines @@
 void showTree(const blink::LayoutObject*);
 void showLineTree(const blink::LayoutObject*);
 void showLayoutTree(const blink::LayoutObject* object1);
 // We don't make object2 an optional parameter so that showLayoutTree
 // can be called from gdb easily.
 void showLayoutTree(const blink::LayoutObject* object1, const blink::LayoutObject* object2);
 
 #endif
 
 #endif // LayoutObject_h