[Arguments] Remove the arguments shadow symbol.

src/heap-profiler.h

Index: src/heap-profiler.h
diff --git a/src/heap-profiler.h b/src/heap-profiler.h
index c5a9ab497dd2a7c02e8e3a05acb07e95c8f72873..fd5b4e03b33ed3a8b3c44c3599023872c6fdb5d4 100644
--- a/src/heap-profiler.h
+++ b/src/heap-profiler.h
@@ -155,9 +155,9 @@ class JSObjectsCluster BASE_EMBEDDED {
     // Their actual value is irrelevant for us.
     switch (special) {
       case ROOTS: return Heap::result_symbol();
-      case GLOBAL_PROPERTY: return Heap::code_symbol();
-      case CODE: return Heap::arguments_shadow_symbol();
-      case SELF: return Heap::catch_var_symbol();
+      case GLOBAL_PROPERTY: return Heap::catch_var_symbol();
+      case CODE: return Heap::code_symbol();
+      case SELF: return Heap::this_symbol();
       default:
         UNREACHABLE();
         return NULL;