Add LayoutRoot

sky/engine/core/rendering/InlineTextBox.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 509 matching lines @@
     }
 
     GraphicsContext* context = paintInfo.context;
     RenderStyle* styleToUse = renderer().style(isFirstLineStyle());
 
     FloatPoint boxOrigin = locationIncludingFlipping();
     boxOrigin.move(adjustedPaintOffset.x().toFloat(), adjustedPaintOffset.y().toFloat());
     FloatRect boxRect(boxOrigin, LayoutSize(logicalWidth(), logicalHeight()));
 
     // Determine whether or not we have composition underlines to draw.
-    bool containsComposition = renderer().node() && renderer().frame()->inputMethodController().compositionNode() == renderer().node();
-    bool useCustomUnderlines = containsComposition && renderer().frame()->inputMethodController().compositionUsesCustomUnderlines();
+    bool containsComposition = renderer().frame() && renderer().node() && renderer().frame()->inputMethodController().compositionNode() == renderer().node();
+    bool useCustomUnderlines = renderer().frame() && containsComposition && renderer().frame()->inputMethodController().compositionUsesCustomUnderlines();
 
     bool haveSelection = selectionState() != RenderObject::SelectionNone;
 
     // Determine text colors.
     TextPaintingStyle textStyle = textPaintingStyle(renderer(), styleToUse);
     TextPaintingStyle selectionStyle = selectionPaintingStyle(renderer(), haveSelection, textStyle);
     bool paintSelectedTextSeparately = textStyle != selectionStyle;
 
     // Set our font.
     const Font& font = styleToUse->font();
@@ skipping 793 matching lines @@
     printedCharacters = fprintf(stderr, "\t%s %p", obj.renderName(), &obj);
     const int rendererCharacterOffset = 24;
     for (; printedCharacters < rendererCharacterOffset; printedCharacters++)
         fputc(' ', stderr);
     fprintf(stderr, "(%d,%d) \"%s\"\n", start(), start() + len(), value.utf8().data());
 }
 
 #endif
 
 } // namespace blink