Add LayoutRoot

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 246 matching lines @@
         if (needsLayout())
             layout();
     }
 }
 
 void FrameView::layout(bool allowSubtree)
 {
     // We should never layout a Document which is not in a LocalFrame.
     ASSERT(m_frame);
     ASSERT(m_frame->view() == this);
-    ASSERT(m_frame->page());
+    //ASSERT(m_frame->page());

[Hixie, 2015/05/26 18:07:16]

why just commented out?

[eseidel, 2015/05/26 19:13:05]

Probably could be removed now.

 
     ScriptForbiddenScope forbidScript;
 
     if (isInPerformLayout() || !m_frame->document()->isActive())
         return;
 
     TRACE_EVENT0("blink", "FrameView::layout");
     TRACE_EVENT_SCOPED_SAMPLING_STATE("blink", "Layout");
 
     // Protect the view from being deleted during layout (in recalcStyle)
@@ skipping 492 matching lines @@
     totalObjects = 0;
 
     for (RenderObject* o = root; o; o = o->nextInPreOrder(root)) {
         ++totalObjects;
         if (o->needsLayout())
             ++needsLayoutObjects;
     }
 }
 
 } // namespace blink