[Devtools] Allow User-Agent header override for Websockets

net/websockets/websocket_channel_test.cc

Index: net/websockets/websocket_channel_test.cc
diff --git a/net/websockets/websocket_channel_test.cc b/net/websockets/websocket_channel_test.cc
index dd2fa354b2c59f0b17e5e8d67d4992990b66a71a..84f8fb979d9ee612e9a29c3e2bfc8c97dcc9e91c 100644
--- a/net/websockets/websocket_channel_test.cc
+++ b/net/websockets/websocket_channel_test.cc
@@ -700,6 +700,7 @@ struct ArgumentCopyingWebSocketStreamCreator {
       const GURL& socket_url,
       const std::vector<std::string>& requested_subprotocols,
       const url::Origin& origin,
+      const std::string& additional_headers,
       URLRequestContext* url_request_context,
       const BoundNetLog& net_log,
       std::unique_ptr<WebSocketStream::ConnectDelegate> connect_delegate) {
@@ -745,9 +746,8 @@ class WebSocketChannelTest : public ::testing::Test {
     channel_.reset(new WebSocketChannel(CreateEventInterface(),
                                         &connect_data_.url_request_context));
     channel_->SendAddChannelRequestForTesting(
-        connect_data_.socket_url,
-        connect_data_.requested_subprotocols,
-        connect_data_.origin,
+        connect_data_.socket_url, connect_data_.requested_subprotocols,
+        connect_data_.origin, "",
         base::Bind(&ArgumentCopyingWebSocketStreamCreator::Create,
                    base::Unretained(&connect_data_.creator)));
   }