Add compile flag for enabling the compostior

sky/engine/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 843 matching lines @@
     // addition of the base background color is not
     // technically part of the document background, but it
     // otherwise poses problems when the aggregate is not
     // fully opaque.
     if (htmlElement && htmlElement->renderer())
         result = result.blend(htmlElement->renderer()->style()->colorIncludingFallback(CSSPropertyBackgroundColor));
 
     return result;
 }
 
+#if !ENABLE(COMPOSITOR)
+void FrameView::paint(GraphicsContext* context, const IntRect& rect)
+{
+    paintContents(context, rect);
+}
+#endif
+
 void FrameView::paintContents(GraphicsContext* p, const IntRect& rect)
 {
     Document* document = m_frame->document();
 
 #ifndef NDEBUG
     bool fillWithRed;
     if (isTransparent())
         fillWithRed = false; // Transparent, don't fill with red.
     else if (m_paintBehavior & PaintBehaviorSelectionOnly)
         fillWithRed = false; // Selections are transparent, don't fill with red.
@@ skipping 240 matching lines @@
 void FrameView::setLayoutSizeInternal(const IntSize& size)
 {
     if (m_layoutSize == size)
         return;
 
     m_layoutSize = size;
     contentsResized();
 }
 
 } // namespace blink