ES6: Add support for method shorthand in object literals

src/runtime.cc

Index: src/runtime.cc
diff --git a/src/runtime.cc b/src/runtime.cc
index 16164342a9a11ece230d99afc1842009c1f2d0a0..cfae6940ad1c2998e639d367aa8cff60b17ee8fe 100644
--- a/src/runtime.cc
+++ b/src/runtime.cc
@@ -2765,6 +2765,14 @@ RUNTIME_FUNCTION(Runtime_FunctionIsArrow) {
 }
 
 
+RUNTIME_FUNCTION(Runtime_FunctionIsConciseMethod) {
+  SealHandleScope shs(isolate);
+  DCHECK(args.length() == 1);
+  CONVERT_ARG_CHECKED(JSFunction, f, 0);
+  return isolate->heap()->ToBoolean(f->shared()->is_concise_method());
+}
+
+
 RUNTIME_FUNCTION(Runtime_FunctionRemovePrototype) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
@@ -8118,8 +8126,8 @@ RUNTIME_FUNCTION(Runtime_NewClosureFromStubFailure) {
   CONVERT_ARG_HANDLE_CHECKED(SharedFunctionInfo, shared, 0);
   Handle<Context> context(isolate->context());
   PretenureFlag pretenure_flag = NOT_TENURED;
-  return *isolate->factory()->NewFunctionFromSharedFunctionInfo(
-      shared,  context, pretenure_flag);
+  return *isolate->factory()->NewFunctionFromSharedFunctionInfo(shared, context,
+                                                                pretenure_flag);
 }