Cleanup constants for layerTreeAsText.

Source/core/page/Frame.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Simon Hausmann <hausmann@kde.org>
  *                     2000 Stefan Schimanski <1Stein@gmx.de>
  *                     2001 George Staikos <staikos@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2005 Alexey Proskuryakov <ap@nypop.com>
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
@@ skipping 504 matching lines @@
     if (isMainFrame)
         frameView->setParentVisible(true);
 
     if (ownerRenderer())
         ownerRenderer()->setWidget(frameView);
 
     if (HTMLFrameOwnerElement* owner = ownerElement())
         view()->setCanHaveScrollbars(owner->scrollingMode() != ScrollbarAlwaysOff);
 }
 
-String Frame::layerTreeAsText(LayerTreeFlags flags) const
+String Frame::layerTreeAsText(unsigned flags) const
 {
     document()->updateLayout();
 
     if (!contentRenderer())
         return String();
 
-    return contentRenderer()->compositor()->layerTreeAsText(flags);
+    return contentRenderer()->compositor()->layerTreeAsText(static_cast<LayerTreeFlags>(flags));
 }
 
 String Frame::trackedRepaintRectsAsText() const
 {
     if (!m_view)
         return String();
     return m_view->trackedRepaintRectsAsText();
 }
 
 void Frame::setPageZoomFactor(float factor)
@@ skipping 178 matching lines @@
     buffer->context()->translate(-paintingRect.x(), -paintingRect.y());
     buffer->context()->clip(FloatRect(0, 0, paintingRect.maxX(), paintingRect.maxY()));
 
     m_view->paintContents(buffer->context(), paintingRect);
 
     RefPtr<Image> image = buffer->copyImage();
     return createDragImageFromImage(image.get());
 }
 
 } // namespace WebCore