[wrapper-tracing] Remove flag and object grouping entry points

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

Index: third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.h b/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.h
index 2b96684163c8d228538126947eb833f33b56039f..8d8147848c0a50194e55d1b3f9c2031c38948429 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.h
+++ b/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.h
@@ -108,9 +108,6 @@ class CORE_EXPORT ScriptWrappableVisitor : public v8::EmbedderHeapTracer,
   static void writeBarrier(const void* srcObject, const T* dstObject) {
     static_assert(!NeedsAdjustAndMark<T>::value,
                   "wrapper tracing is not supported within mixins");
-    if (!RuntimeEnabledFeatures::traceWrappablesEnabled()) {
-      return;
-    }
     if (!srcObject || !dstObject) {
       return;
     }