WebSocketHandshakeStreamCreateHelper is an internal class that stores the data that is needed to create a WebSocketBasicHandshakeStream.
This CL also adds a real implementation of WebSocketStream::CreateAndConnectStream().
This CL depends on https://codereview.chromium.org/
23500007/ to compile.
The tests for this CL are in https://codereview.chromium.org/
64133006/
BUG=265329
Review URL: https://codereview.chromium.org/
21011003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@237865 0039d316-1c4b-4281-b951-d872f2087c98