Trace ScriptWrappableVisitor.m_markingDeque by oilpan gc

third_party/WebKit/Source/platform/heap/ThreadState.h

Index: third_party/WebKit/Source/platform/heap/ThreadState.h
diff --git a/third_party/WebKit/Source/platform/heap/ThreadState.h b/third_party/WebKit/Source/platform/heap/ThreadState.h
index 456d154a3a689c083b227afc911945329f6f0716..a2612d7252af8783a81aaf34159b9a8c9d3810d8 100644
--- a/third_party/WebKit/Source/platform/heap/ThreadState.h
+++ b/third_party/WebKit/Source/platform/heap/ThreadState.h
@@ -424,6 +424,15 @@ public:
         m_traceDOMWrappers = traceDOMWrappers;
     }
 
+    void registerTraceWrappersMarkingDequeTracing(v8::Isolate* isolate,
+        void (*traceWrappersMarkingDequeTracing)(v8::Isolate*, Visitor*))
+    {
+        // Make sure the isolate set by registerTraceDOMWrapers is the same as

[haraken, 2016/06/08 08:56:08]

Or can we merge the two register functions?

+        // ours
+        CHECK(m_isolate == isolate);
+        m_traceWrappersMarkingDequeTracing = traceWrappersMarkingDequeTracing;
+    }
+
     // By entering a gc-forbidden scope, conservative GCs will not
     // be allowed while handling an out-of-line allocation request.
     // Intended used when constructing subclasses of GC mixins, where
@@ -656,6 +665,7 @@ private:
 
     v8::Isolate* m_isolate;
     void (*m_traceDOMWrappers)(v8::Isolate*, Visitor*);
+    void (*m_traceWrappersMarkingDequeTracing)(v8::Isolate*, Visitor*);
 
 #if defined(ADDRESS_SANITIZER)
     void* m_asanFakeStack;