Remove IgnoreAttributesAndSetProperty and replace uses by DefineProperty

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index b0af9e77e3b44ab1c12619e027f0f2b40234abd3..7a2049e3cd0198cc4ff43d58330908586afc9185 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -5539,32 +5539,6 @@ RUNTIME_FUNCTION(Runtime_DebugPromiseHandleEpilogue) {
 }
 
 
-// Set an own property, even if it is READ_ONLY.  If the property does not
-// exist, it will be added with attributes NONE.
-RUNTIME_FUNCTION(Runtime_IgnoreAttributesAndSetProperty) {
-  HandleScope scope(isolate);
-  RUNTIME_ASSERT(args.length() == 3 || args.length() == 4);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, object, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Name, name, 1);
-  CONVERT_ARG_HANDLE_CHECKED(Object, value, 2);
-  // Compute attributes.
-  PropertyAttributes attributes = NONE;
-  if (args.length() == 4) {
-    CONVERT_SMI_ARG_CHECKED(unchecked_value, 3);
-    // Only attribute bits should be set.
-    RUNTIME_ASSERT(
-        (unchecked_value & ~(READ_ONLY | DONT_ENUM | DONT_DELETE)) == 0);
-    attributes = static_cast<PropertyAttributes>(unchecked_value);
-  }
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result,
-      JSObject::SetOwnPropertyIgnoreAttributes(
-          object, name, value, attributes));
-  return *result;
-}
-
-
 RUNTIME_FUNCTION(Runtime_DeleteProperty) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 3);