Cleanup after inobject slack tracking improvement.

src/objects-visiting-inl.h

Index: src/objects-visiting-inl.h
diff --git a/src/objects-visiting-inl.h b/src/objects-visiting-inl.h
index 9234a9e92fd2a59a80f0cd1af63438b4bd8e4bbb..7ed0e4abda063c69602bfe9d977695e8e67c5bca 100644
--- a/src/objects-visiting-inl.h
+++ b/src/objects-visiting-inl.h
@@ -794,7 +794,6 @@ bool StaticMarkingVisitor<StaticVisitor>::IsFlushable(
 template<typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitSharedFunctionInfoStrongCode(
     Heap* heap, HeapObject* object) {
-  StaticVisitor::BeforeVisitingSharedFunctionInfo(object);
   Object** start_slot =
       HeapObject::RawField(object,
                            SharedFunctionInfo::BodyDescriptor::kStartOffset);
@@ -808,7 +807,6 @@ void StaticMarkingVisitor<StaticVisitor>::VisitSharedFunctionInfoStrongCode(
 template<typename StaticVisitor>
 void StaticMarkingVisitor<StaticVisitor>::VisitSharedFunctionInfoWeakCode(
     Heap* heap, HeapObject* object) {
-  StaticVisitor::BeforeVisitingSharedFunctionInfo(object);
   Object** name_slot =
       HeapObject::RawField(object, SharedFunctionInfo::kNameOffset);
   StaticVisitor::VisitPointer(heap, name_slot);