[runtime] further dismantle AccessorInfoHandling, reducing it to the single API usecase.

src/runtime/runtime-scopes.cc

Index: src/runtime/runtime-scopes.cc
diff --git a/src/runtime/runtime-scopes.cc b/src/runtime/runtime-scopes.cc
index 13f04479ae42776aa2df317bc471ed928cc7e5e5..1da0e6a8e07c1811866c918b91094659bdca78e6 100644
--- a/src/runtime/runtime-scopes.cc
+++ b/src/runtime/runtime-scopes.cc
@@ -78,8 +78,8 @@ static Object* DeclareGlobals(Isolate* isolate, Handle<JSGlobalObject> global,
   }
 
   // Define or redefine own property.
-  RETURN_FAILURE_ON_EXCEPTION(isolate, JSObject::SetOwnPropertyIgnoreAttributes(
-                                           global, name, value, attr));
+  RETURN_FAILURE_ON_EXCEPTION(
+      isolate, JSObject::DefineOwnPropertyIgnoreAttributes(&it, value, attr));
 
   return isolate->heap()->undefined_value();
 }
@@ -196,8 +196,8 @@ RUNTIME_FUNCTION(Runtime_InitializeConstGlobal) {
     }
   }
 
-  RETURN_FAILURE_ON_EXCEPTION(isolate, JSObject::SetOwnPropertyIgnoreAttributes(
-                                           global, name, value, attr));
+  RETURN_FAILURE_ON_EXCEPTION(
+      isolate, JSObject::DefineOwnPropertyIgnoreAttributes(&it, value, attr));
 
   return *value;
 }