Revert of [heap] Provide ObjectMarking with marking transitions

src/heap/objects-visiting-inl.h

Index: src/heap/objects-visiting-inl.h
diff --git a/src/heap/objects-visiting-inl.h b/src/heap/objects-visiting-inl.h
index 7f524839ad5c1d44af8dcbce3475fc894499a2ea..53a1310ed9ca4a210988166a1b94f962a7ba99e1 100644
--- a/src/heap/objects-visiting-inl.h
+++ b/src/heap/objects-visiting-inl.h
@@ -534,7 +534,8 @@
 
   // Code is either on stack, in compilation cache or referenced
   // by optimized version of function.
-  if (ObjectMarking::IsBlackOrGrey(function->code())) {
+  MarkBit code_mark = ObjectMarking::MarkBitFrom(function->code());
+  if (Marking::IsBlackOrGrey(code_mark)) {
     return false;
   }
 
@@ -557,7 +558,8 @@
     Heap* heap, SharedFunctionInfo* shared_info) {
   // Code is either on stack, in compilation cache or referenced
   // by optimized version of function.
-  if (ObjectMarking::IsBlackOrGrey(shared_info->code())) {
+  MarkBit code_mark = ObjectMarking::MarkBitFrom(shared_info->code());
+  if (Marking::IsBlackOrGrey(code_mark)) {
     return false;
   }