Pass through readInfo.resultCode.

chrome/browser/extensions/api/socket/socket_api.cc

Index: chrome/browser/extensions/api/socket/socket_api.cc
diff --git a/chrome/browser/extensions/api/socket/socket_api.cc b/chrome/browser/extensions/api/socket/socket_api.cc
index 08e17c97ae0421f099b2f7d6cd7b8dc0e551ffb6..e3e2f3f05d4b37b82e3c779a3ac65dd42e6f02b3 100644
--- a/chrome/browser/extensions/api/socket/socket_api.cc
+++ b/chrome/browser/extensions/api/socket/socket_api.cc
@@ -16,6 +16,7 @@ namespace extensions {
 
 const char kBytesWrittenKey[] = "bytesWritten";
 const char kDataKey[] = "data";
+const char kResultCodeKey[] = "resultCode";
 const char kSocketIdKey[] = "socketId";
 const char kTCPOption[] = "tcp";
 const char kUDPOption[] = "udp";
@@ -147,6 +148,7 @@ void SocketReadFunction::Work() {
       data_value->Set(i, Value::CreateIntegerValue(io_buffer_start[i]));
     }
   }
+  result->SetInteger(kResultCodeKey, bytes_read);
   result->Set(kDataKey, data_value);
   result_.reset(result);
 }