Added logs when contacting Blimp assigner

blimp/client/session/blimp_client_session.cc

Index: blimp/client/session/blimp_client_session.cc
diff --git a/blimp/client/session/blimp_client_session.cc b/blimp/client/session/blimp_client_session.cc
index 760842abc72bb5cd32e63d9b1f4782aa071cb4d0..e4be5dd89b5b5a8c4c2acc45252172e7530ec4b1 100644
--- a/blimp/client/session/blimp_client_session.cc
+++ b/blimp/client/session/blimp_client_session.cc
@@ -191,6 +191,7 @@ BlimpClientSession::~BlimpClientSession() {
 }
 
 void BlimpClientSession::Connect(const std::string& client_auth_token) {
+  VLOG(1) << "Trying to get assignment.";
   assignment_source_->GetAssignment(
       client_auth_token, base::Bind(&BlimpClientSession::ConnectWithAssignment,
                                     weak_factory_.GetWeakPtr()));
@@ -201,10 +202,12 @@ void BlimpClientSession::ConnectWithAssignment(AssignmentSource::Result result,
   OnAssignmentConnectionAttempted(result, assignment);
 
   if (result != AssignmentSource::Result::RESULT_OK) {
-    VLOG(1) << "Assignment request failed: " << result;
+    LOG(FATAL) << "Assignment failed, reason: " << result;
     return;
   }
 
+  VLOG(1) << "Assignment succeeded";

[Kevin M, 2016/05/16 17:56:32]

Add detail for the fields of |assignment|?

[shaktisahu, 2016/05/16 18:10:29]

We are logging that in the next function
(ClientNetworkComponents::ConnectWithAssignment), so din't think that would be
much helpful.

+
   io_thread_.task_runner()->PostTask(
       FROM_HERE,
       base::Bind(&ClientNetworkComponents::ConnectWithAssignment,