Allow InStyleRecalc and InPreLayout from CompositingForSlimmingPaintV2Clean

Source/core/dom/DocumentLifecycle.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 195 matching lines @@
         if (nextState == InCompositingForSlimmingPaintV2 && RuntimeEnabledFeatures::slimmingPaintV2Enabled())
             return true;
         break;
     case InCompositingForSlimmingPaintV2:
         if (nextState == CompositingForSlimmingPaintV2Clean && RuntimeEnabledFeatures::slimmingPaintV2Enabled())
             return true;
         break;
     case CompositingForSlimmingPaintV2Clean:
         if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled())
             return false;
+        if (nextState == InStyleRecalc)
+            return true;
+        if (nextState == InPreLayout)
+            return true;
         if (nextState == InCompositingUpdate)
             return true;
         if (nextState == CompositingForSlimmingPaintV2Clean)
             return true;
         break;
     case Stopping:
         return nextState == Stopped;
     case Stopped:
         return nextState == Disposed;
     case Disposed:
@@ skipping 30 matching lines @@
 void DocumentLifecycle::ensureStateAtMost(State state)
 {
     ASSERT(state == VisualUpdatePending || state == StyleClean || state == LayoutClean);
     if (m_state <= state)
         return;
     ASSERT(canRewindTo(state));
     m_state = state;
 }
 
 }