[WIP] make GURL::path() return a StringPiece

net/websockets/websocket_stream_cookie_test.cc

Index: net/websockets/websocket_stream_cookie_test.cc
diff --git a/net/websockets/websocket_stream_cookie_test.cc b/net/websockets/websocket_stream_cookie_test.cc
index fbbee223bdaa140fc0403f0d64f04e840adfd8f7..061c78e6f682e8ad4d02d6af1c6e56469337c5a7 100644
--- a/net/websockets/websocket_stream_cookie_test.cc
+++ b/net/websockets/websocket_stream_cookie_test.cc
@@ -42,9 +42,9 @@ class TestBase : public WebSocketStreamCreateTestBase {
           base::EndsWith(cookie_header, "\r\n", base::CompareCase::SENSITIVE));
 
     url_request_context_host_.SetExpectations(
-        WebSocketStandardRequestWithCookies(url.path(), url.host(), origin,
-                                            cookie_header, std::string(),
-                                            std::string()),
+        WebSocketStandardRequestWithCookies(url.path().as_string(), url.host(),
+                                            origin, cookie_header,
+                                            std::string(), std::string()),
         response_body);
     CreateAndConnectStream(url, NoSubProtocols(), origin,
                            first_party_for_cookies, "", nullptr);