Remove prerender cookie store, part 4.

net/websockets/websocket_stream.cc

Index: net/websockets/websocket_stream.cc
diff --git a/net/websockets/websocket_stream.cc b/net/websockets/websocket_stream.cc
index 32729fba517570cfbc4e1a72e414fd29c1b9d15b..30b48bae20070f15fb68dde4f1b2f262cde4e8c1 100644
--- a/net/websockets/websocket_stream.cc
+++ b/net/websockets/websocket_stream.cc
@@ -87,8 +87,8 @@ class StreamRequestImpl : public WebSocketStreamRequest {
       scoped_ptr<WebSocketStream::ConnectDelegate> connect_delegate,
       scoped_ptr<WebSocketHandshakeStreamCreateHelper> create_helper)
       : delegate_(new Delegate(this)),
-        url_request_(context->CreateRequest(url, DEFAULT_PRIORITY,
-                                            delegate_.get(), NULL)),
+        url_request_(
+            context->CreateRequest(url, DEFAULT_PRIORITY, delegate_.get())),
         connect_delegate_(connect_delegate.Pass()),
         create_helper_(create_helper.release()) {
     create_helper_->set_failure_message(&failure_message_);