Implement timeouts for IQ requests.

remoting/host/register_support_host_request_unittest.cc

Index: remoting/host/register_support_host_request_unittest.cc
diff --git a/remoting/host/register_support_host_request_unittest.cc b/remoting/host/register_support_host_request_unittest.cc
index 5d1a53adb9d78f768192115364948b6be7f0b24e..4f091b8d9ece2e42ac469c1826d109be16751654 100644
--- a/remoting/host/register_support_host_request_unittest.cc
+++ b/remoting/host/register_support_host_request_unittest.cc
@@ -74,7 +74,6 @@ class RegisterSupportHostRequestTest : public testing::Test {
   MockCallback callback_;
 };
 
-
 TEST_F(RegisterSupportHostRequestTest, Send) {
   // |iq_request| is freed by RegisterSupportHostRequest.
   int64 start_time = static_cast<int64>(base::Time::Now().ToDoubleT());
@@ -128,6 +127,7 @@ TEST_F(RegisterSupportHostRequestTest, Send) {
                                     base::TimeDelta::FromSeconds(300)));
 
   scoped_ptr<XmlElement> response(new XmlElement(buzz::QN_IQ));
+  response->AddAttr(QName("", "from"), kChromotingBotJid);
   response->AddAttr(QName("", "type"), "result");
   response->AddAttr(QName("", "id"), kStanzaId);