make SetReceiveBufferSize and SetSendBufferSize return net error codes (instead of bools)

content/browser/renderer_host/pepper/pepper_udp_socket_message_filter.cc

Index: content/browser/renderer_host/pepper/pepper_udp_socket_message_filter.cc
diff --git a/content/browser/renderer_host/pepper/pepper_udp_socket_message_filter.cc b/content/browser/renderer_host/pepper/pepper_udp_socket_message_filter.cc
index 416273765e083915cb17ad6842a03a21bd5e251a..bcaf2aea3482cdb4cb4a7170bd6bf7ad42e1be8a 100644
--- a/content/browser/renderer_host/pepper/pepper_udp_socket_message_filter.cc
+++ b/content/browser/renderer_host/pepper/pepper_udp_socket_message_filter.cc
@@ -140,21 +140,22 @@ int32_t PepperUDPSocketMessageFilter::OnMsgSetOption(
       if (!value.GetInt32(&integer_value) || integer_value <= 0)
         return PP_ERROR_BADARGUMENT;
 
-      bool result = false;
+      int net_result = net::ERR_UNEXPECTED;
       if (name == PP_UDPSOCKET_OPTION_SEND_BUFFER_SIZE) {
         if (integer_value >
                 ppapi::proxy::UDPSocketResourceBase::kMaxSendBufferSize) {
           return PP_ERROR_BADARGUMENT;
         }
-        result = socket_->SetSendBufferSize(integer_value);
+        net_result = socket_->SetSendBufferSize(integer_value);
       } else {
         if (integer_value >
                 ppapi::proxy::UDPSocketResourceBase::kMaxReceiveBufferSize) {
           return PP_ERROR_BADARGUMENT;
         }
-        result = socket_->SetReceiveBufferSize(integer_value);
+        net_result = socket_->SetReceiveBufferSize(integer_value);
       }
-      return result ? PP_OK : PP_ERROR_FAILED;
+      // TODO(wtc): Add error mapping code.
+      return (net_result == net::OK) ? PP_OK : PP_ERROR_FAILED;
     }
     default: {
       NOTREACHED();