Switch SupportsUserData uses to use unique_ptr.

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 b700519a3c3b898734c7c94b617c3908f1594e37..1ba76d09d277000f3ef0551e5a36603bf859e5ac 100644
--- a/net/websockets/websocket_stream.cc
+++ b/net/websockets/websocket_stream.cc
@@ -113,7 +113,7 @@ class WebSocketStreamRequestImpl : public WebSocketStreamRequest {
     // |url_request_|.
     url_request_->SetUserData(
         WebSocketHandshakeStreamBase::CreateHelper::DataKey(),
-        handshake_stream_create_helper_);
+        base::WrapUnique(handshake_stream_create_helper_));
     url_request_->SetLoadFlags(LOAD_DISABLE_CACHE | LOAD_BYPASS_CACHE);
     connect_delegate_->OnCreateRequest(url_request_.get());
   }