IqRequest implementations: calls the callback when response is received.

BUG=None
TEST=Chromoting host works.

Review URL: http://codereview.chromium.org/7744058

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@98455 0039d316-1c4b-4281-b951-d872f2087c98

remoting/jingle_glue/javascript_iq_request.cc

@@ -57,7 +57,7 @@ void JavascriptIqRegistry::OnIncomingStanza(const buzz::XmlElement* stanza) {
     // JavascriptIqRequest::SendIq(), but remove in
     // JavascriptIqRegistry::OnIq().  We should try to keep the
     // registration/deregistration in one spot.
-    if (it->second->callback_.is_null()) {
+    if (!it->second->callback_.is_null()) {
       it->second->callback_.Run(stanza);
       it->second->callback_.Reset();
     } else {

remoting/jingle_glue/xmpp_iq_request.cc

@@ -57,7 +57,7 @@ void XmppIqRequest::Unregister() {
 
 void XmppIqRequest::IqResponse(buzz::XmppIqCookie cookie,
                                const buzz::XmlElement* stanza) {
-  if (callback_.is_null()) {
+  if (!callback_.is_null()) {
     callback_.Run(stanza);
     callback_.Reset();
   }