Trace active script wrappables on entering final pause

third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp

Index: third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp b/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp
index 23b013f90e87424ad9d7c77b7dfa1ae51e1cc96d..5f6683a57b3af0e18922f35f165b5ac4d4eb7113 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp
+++ b/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp
@@ -27,11 +27,23 @@ void ScriptWrappableVisitor::TracePrologue()
     m_tracingInProgress = true;
 }
 
-void ScriptWrappableVisitor::TraceEpilogue()
+void ScriptWrappableVisitor::EnterFinalPause()
 {
     ActiveScriptWrappable::traceActiveScriptWrappables(m_isolate, this);
-    AdvanceTracing(0, AdvanceTracingActions(ForceCompletionAction::FORCE_COMPLETION));
+}
+
+void ScriptWrappableVisitor::TraceEpilogue()
+{
+    performCleanup();
+}
 
+void ScriptWrappableVisitor::AbortTracing()
+{
+    performCleanup();
+}
+
+void ScriptWrappableVisitor::performCleanup()
+{
     for (auto header : m_headersToUnmark) {
         header->unmarkWrapperHeader();
     }