Remove more dead code after Object.observe removal

src/runtime/runtime-object.cc

Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index 45cd0cd001eb6579fbb3a6979edc072e3033d8d8..a0aed1542f971a68eccfc73dfcba5d0669078659 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -270,85 +270,6 @@ RUNTIME_FUNCTION(Runtime_SetPrototype) {
   return *obj;
 }
 
-
-// Enumerator used as indices into the array returned from GetOwnProperty
-enum PropertyDescriptorIndices {
-  IS_ACCESSOR_INDEX,
-  VALUE_INDEX,
-  GETTER_INDEX,
-  SETTER_INDEX,
-  WRITABLE_INDEX,
-  ENUMERABLE_INDEX,
-  CONFIGURABLE_INDEX,
-  DESCRIPTOR_SIZE
-};
-
-
-MUST_USE_RESULT static MaybeHandle<Object> GetOwnProperty(Isolate* isolate,
-                                                          Handle<JSObject> obj,
-                                                          Handle<Name> name) {
-  Heap* heap = isolate->heap();
-  Factory* factory = isolate->factory();
-
-  // Get attributes.
-  LookupIterator it = LookupIterator::PropertyOrElement(isolate, obj, name, obj,
-                                                        LookupIterator::HIDDEN);
-  Maybe<PropertyAttributes> maybe = JSObject::GetPropertyAttributes(&it);
-
-  if (!maybe.IsJust()) return MaybeHandle<Object>();
-  PropertyAttributes attrs = maybe.FromJust();
-  if (attrs == ABSENT) return factory->undefined_value();
-
-  DCHECK(!isolate->has_pending_exception());
-  Handle<FixedArray> elms = factory->NewFixedArray(DESCRIPTOR_SIZE);
-  elms->set(ENUMERABLE_INDEX, heap->ToBoolean((attrs & DONT_ENUM) == 0));
-  elms->set(CONFIGURABLE_INDEX, heap->ToBoolean((attrs & DONT_DELETE) == 0));
-
-  bool is_accessor_pair = it.state() == LookupIterator::ACCESSOR &&
-                          it.GetAccessors()->IsAccessorPair();
-  elms->set(IS_ACCESSOR_INDEX, heap->ToBoolean(is_accessor_pair));
-
-  if (is_accessor_pair) {
-    Handle<AccessorPair> accessors =
-        Handle<AccessorPair>::cast(it.GetAccessors());
-    Handle<Object> getter =
-        AccessorPair::GetComponent(accessors, ACCESSOR_GETTER);
-    Handle<Object> setter =
-        AccessorPair::GetComponent(accessors, ACCESSOR_SETTER);
-    elms->set(GETTER_INDEX, *getter);
-    elms->set(SETTER_INDEX, *setter);
-  } else {
-    Handle<Object> value;
-    ASSIGN_RETURN_ON_EXCEPTION(isolate, value, Object::GetProperty(&it),
-                               Object);
-    elms->set(WRITABLE_INDEX, heap->ToBoolean((attrs & READ_ONLY) == 0));
-    elms->set(VALUE_INDEX, *value);
-  }
-
-  return factory->NewJSArrayWithElements(elms);
-}
-
-
-// Returns an array with the property description:
-//  if args[1] is not a property on args[0]
-//          returns undefined
-//  if args[1] is a data property on args[0]
-//         [false, value, Writeable, Enumerable, Configurable]
-//  if args[1] is an accessor on args[0]
-//         [true, GetFunction, SetFunction, Enumerable, Configurable]
-// TODO(jkummerow): Deprecated. Remove all callers and delete.
-RUNTIME_FUNCTION(Runtime_GetOwnProperty_Legacy) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 2);
-  CONVERT_ARG_HANDLE_CHECKED(JSObject, obj, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Name, name, 1);
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result,
-                                     GetOwnProperty(isolate, obj, name));
-  return *result;
-}
-
-
 RUNTIME_FUNCTION(Runtime_OptimizeObjectForAddingMultipleProperties) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);
@@ -736,30 +657,6 @@ RUNTIME_FUNCTION(Runtime_FinalizeInstanceSize) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_GlobalProxy) {
-  SealHandleScope shs(isolate);
-  DCHECK(args.length() == 1);
-  CONVERT_ARG_CHECKED(JSFunction, function, 0);
-  return function->context()->global_proxy();
-}
-
-
-RUNTIME_FUNCTION(Runtime_LookupAccessor) {
-  HandleScope scope(isolate);
-  DCHECK(args.length() == 3);
-  CONVERT_ARG_HANDLE_CHECKED(JSReceiver, receiver, 0);
-  CONVERT_ARG_HANDLE_CHECKED(Name, name, 1);
-  CONVERT_SMI_ARG_CHECKED(flag, 2);
-  AccessorComponent component = flag == 0 ? ACCESSOR_GETTER : ACCESSOR_SETTER;
-  if (!receiver->IsJSObject()) return isolate->heap()->undefined_value();
-  Handle<Object> result;
-  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
-      isolate, result,
-      JSObject::GetAccessor(Handle<JSObject>::cast(receiver), name, component));
-  return *result;
-}
-
-
 RUNTIME_FUNCTION(Runtime_LoadMutableDouble) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 2);