Let slimmingPaintInvalidation plumbing work for spv1

third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp

Index: third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp
diff --git a/third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp b/third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp
index 49455873f68fb6a182ee30e318a75d45e4ca2302..554b7c7ccaa489c124177bbfdaef55fa25a3067c 100644
--- a/third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp
+++ b/third_party/WebKit/Source/core/dom/DocumentLifecycle.cpp
@@ -232,11 +232,11 @@ bool DocumentLifecycle::canAdvanceTo(LifecycleState nextState) const
             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;
@@ -281,6 +281,7 @@ bool DocumentLifecycle::canRewindTo(LifecycleState nextState) const
         || m_state == LayoutClean
         || m_state == CompositingClean
         || m_state == PaintInvalidationClean
+        || m_state == PrePaintClean
         || m_state == PaintClean;
 }