libweave: Added TODO into header file

BUG=none
TEST=none

Change-Id: I6ef5b3b92c3eae991a272674b4f4070226c6cd28
Reviewed-on: https://chromium-review.googlesource.com/296320
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>

libweave/include/weave/mdns.h

diff --git a/libweave/include/weave/mdns.h b/libweave/include/weave/mdns.h
index 5528f6e..09b42e8 100644
--- a/libweave/include/weave/mdns.h
+++ b/libweave/include/weave/mdns.h
@@ -15,6 +15,8 @@
 class Mdns {
  public:
   // Publishes new service on mDns or updates existing one.
+  // TODO(vitlaybuka): txt -> vector<string>
+  // TODO(vitlaybuka): service_name -> service_type
   virtual void PublishService(
       const std::string& service_type,
       uint16_t port,