[WIP] Move layout states into the DocumentLifecycle state machine

Source/core/rendering/RenderLayerCompositor.cpp

Index: Source/core/rendering/RenderLayerCompositor.cpp
diff --git a/Source/core/rendering/RenderLayerCompositor.cpp b/Source/core/rendering/RenderLayerCompositor.cpp
index 9c3450767be33ec499b3828a0f62cd3748086cd9..172bf7bffde674ec846091fe485f9ba3b09fe378 100644
--- a/Source/core/rendering/RenderLayerCompositor.cpp
+++ b/Source/core/rendering/RenderLayerCompositor.cpp
@@ -2478,6 +2478,8 @@ void RenderLayerCompositor::notifyIFramesOfCompositingChange()
         return;
     Frame& frame = m_renderView->frameView()->frame();
 
+    DocumentLifecycle::DeprecatedTransition marker(DocumentLifecycle::AfterPerformLayout, DocumentLifecycle::StyleRecalcPending);
+
     for (Frame* child = frame.tree().firstChild(); child; child = child->tree().traverseNext(&frame)) {
         if (child->document() && child->document()->ownerElement())
             child->document()->ownerElement()->scheduleLayerUpdate();