Let slimmingPaintInvalidation plumbing work for spv1

third_party/WebKit/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 214 matching lines @@
         if (nextState == InStyleRecalc)
             return true;
         if (nextState == InPreLayout)
             return true;
         if (nextState == InCompositingUpdate)
             return true;
         if (nextState == InPaint)
             return true;
         break;
     case InPrePaint:
-        if (nextState == PrePaintClean && RuntimeEnabledFeatures::slimmingPaintV2Enabled())
+        if (nextState == PrePaintClean && RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled())
             return true;
         break;
     case PrePaintClean:
-        if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled())
+        if (!RuntimeEnabledFeatures::slimmingPaintInvalidationEnabled())
             break;
         if (nextState == InPaint)
             return true;
         if (nextState == InStyleRecalc)
             return true;
         if (nextState == InPreLayout)
             return true;
         if (nextState == InCompositingUpdate)
             return true;
         break;
@@ skipping 24 matching lines @@
 
     // This transition is bogus, but we've whitelisted it anyway.
     if (s_deprecatedTransitionStack && m_state == s_deprecatedTransitionStack->from() && nextState == s_deprecatedTransitionStack->to())
         return true;
     return m_state == StyleClean
         || m_state == LayoutSubtreeChangeClean
         || m_state == AfterPerformLayout
         || m_state == LayoutClean
         || m_state == CompositingClean
         || m_state == PaintInvalidationClean
+        || m_state == PrePaintClean
         || m_state == PaintClean;
 }
 
 #endif
 
 void DocumentLifecycle::advanceTo(LifecycleState nextState)
 {
 #if DCHECK_IS_ON()
     DCHECK(canAdvanceTo(nextState))
         << "Cannot advance document lifecycle from " << stateAsDebugString(m_state)
@@ skipping 49 matching lines @@
         DEBUG_STRING_CASE(Stopping);
         DEBUG_STRING_CASE(Stopped);
     }
 
     ASSERT_NOT_REACHED();
     return "Unknown";
 }
 #endif
 
 } // namespace blink