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

chrome/browser/chromeos/login/saml/saml_browsertest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <cstring>
 #include <memory>
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 198 matching lines @@
 
 void FakeSamlIdp::SetCookieValue(const std::string& cookie_value) {
   cookie_value_ = cookie_value;
 }
 
 std::unique_ptr<HttpResponse> FakeSamlIdp::HandleRequest(
     const HttpRequest& request) {
   // The scheme and host of the URL is actually not important but required to
   // get a valid GURL in order to parse |request.relative_url|.
   GURL request_url = GURL("http://localhost").Resolve(request.relative_url);
-  std::string request_path = request_url.path();
+  base::StringPiece request_path = request_url.path();
 
   if (request_path == login_path_) {
     std::string relay_state;
     net::GetValueForKeyInQuery(request_url, kRelayState, &relay_state);
     return BuildHTMLResponse(login_html_template_,
                              relay_state,
                              login_auth_path_);
   }
 
   if (request_path != login_auth_path_) {
@@ skipping 86 matching lines @@
   }
   ~SamlTest() override {}
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kOobeSkipPostLogin);
     command_line->AppendSwitch(
         chromeos::switches::kAllowFailedPolicyFetchForTest);
 
     const GURL gaia_url = gaia_https_forwarder_.GetURLForSSLHost("");
     const GURL saml_idp_url = saml_https_forwarder_.GetURLForSSLHost("SAML");
-    fake_saml_idp_.SetUp(saml_idp_url.path(), gaia_url);
+    fake_saml_idp_.SetUp(saml_idp_url.path().as_string(), gaia_url);
     fake_gaia_->RegisterSamlUser(kFirstSAMLUserEmail, saml_idp_url);
     fake_gaia_->RegisterSamlUser(kSecondSAMLUserEmail, saml_idp_url);
     fake_gaia_->RegisterSamlUser(
         kHTTPSAMLUserEmail,
         embedded_test_server()->base_url().Resolve("/SAML"));
     fake_gaia_->RegisterSamlUser(kDifferentDomainSAMLUserEmail, saml_idp_url);
     fake_gaia_->RegisterSamlDomainRedirectUrl("example.com", saml_idp_url);
 
     OobeBaseTest::SetUpCommandLine(command_line);
   }
@@ skipping 1060 matching lines @@
 
   // Scraping one password should finish login.
   content::WindowedNotificationObserver session_start_waiter(
       chrome::NOTIFICATION_SESSION_STARTED,
       content::NotificationService::AllSources());
   ExecuteJsInSigninFrame("document.getElementById('Submit').click();");
   session_start_waiter.Wait();
 }
 
 }  // namespace chromeos