Have Document::markers() return a reference

Source/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 1274 matching lines @@
         pt->clip(FloatRect(boxOrigin.x(), boxOrigin.y() - deltaY, m_logicalWidth, selHeight));
         pt->drawHighlightForText(font, run, FloatPoint(boxOrigin.x(), boxOrigin.y() - deltaY), selHeight, color, sPos, ePos);
     }
 }
 
 void InlineTextBox::paintDocumentMarkers(GraphicsContext* pt, const FloatPoint& boxOrigin, RenderStyle* style, const Font& font, bool background)
 {
     if (!renderer()->node())
         return;
 
-    Vector<DocumentMarker*> markers = renderer()->document().markers()->markersFor(renderer()->node());
+    Vector<DocumentMarker*> markers = renderer()->document().markers().markersFor(renderer()->node());
     Vector<DocumentMarker*>::const_iterator markerIt = markers.begin();
 
     // Give any document markers that touch this run a chance to draw before the text has been drawn.
     // Note end() points at the last char, not one past it like endOffset and ranges do.
     for ( ; markerIt != markers.end(); ++markerIt) {
         DocumentMarker* marker = *markerIt;
 
         // Paint either the background markers or the foreground markers, but not both
         switch (marker->type()) {
             case DocumentMarker::Grammar:
@@ skipping 256 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 WebCore