Peer connection may generate answer and ICE candidates before
websocket client is registered. Remove check from sendAnswer()
and sendLocalIceCandidate() functions and allow websocket client
to accumulate messages and send them later once it will be
registered.
R=wzh@webrtc.org
Review URL: https://webrtc-codereview.appspot.com/44379004
Cr-Commit-Position: refs/heads/master@{#8508}
git-svn-id: http://webrtc.googlecode.com/svn/trunk@8508 4adac7df-926f-26a2-2b94-8c16560cd09d
b5e60b6ca7