[stubs] Introduce ToNameStub to implement %_ToName.

src/code-factory.cc

Index: src/code-factory.cc
diff --git a/src/code-factory.cc b/src/code-factory.cc
index 6d31a5f530dc137f2c11c77ea0022d2ca0a1c64c..afc5ccacc33cc8f837d081c2145470467fa8b6c0 100644
--- a/src/code-factory.cc
+++ b/src/code-factory.cc
@@ -169,6 +169,13 @@ Callable CodeFactory::ToString(Isolate* isolate) {
 
 
 // static
+Callable CodeFactory::ToName(Isolate* isolate) {
+  ToNameStub stub(isolate);
+  return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());
+}
+
+
+// static
 Callable CodeFactory::ToLength(Isolate* isolate) {
   ToLengthStub stub(isolate);
   return Callable(stub.GetCode(), stub.GetCallInterfaceDescriptor());