- Modify dart_api.h to be a proper C API.

runtime/bin/socket.cc

Index: runtime/bin/socket.cc
===================================================================
--- runtime/bin/socket.cc	(revision 23447)
+++ runtime/bin/socket.cc	(working copy)
@@ -75,7 +75,7 @@
       Dart_ThrowException(error);
   }
   int len = SocketAddress::GetAddrLength(raw);
-  Dart_Handle result = Dart_NewTypedData(kUint8, len);
+  Dart_Handle result = Dart_NewTypedData(Dart_TypedData_kUint8, len);
   if (Dart_IsError(result)) Dart_PropagateError(result);
   Dart_ListSetAsBytes(result, 0, reinterpret_cast<uint8_t *>(&raw), len);
   Dart_SetReturnValue(args, result);
@@ -491,7 +491,7 @@
                    Dart_CObject* message) {
   CObject* response = CObject::IllegalArgumentError();
   CObjectArray request(message);
-  if (message->type == Dart_CObject::kArray) {
+  if (message->type == Dart_CObject_kArray) {
     if (request.Length() > 1 && request[0]->IsInt32()) {
       CObjectInt32 request_type(request[0]);
       switch (request_type.Value()) {