GURL::Replacements methods accept a StringPiece instead of std::string&.

chrome/browser/captive_portal/captive_portal_browsertest.cc

 // Copyright (c) 2012 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 <map>
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 2669 matching lines @@
   SlowLoadBehindCaptivePortal(browser(), true, GURL(kMockHttpsUrl), 2, 2);
   Login(browser(), 1, 0);
   FailLoadsAfterLogin(browser(), 1);
 }
 
 // HSTS redirects an HTTP request to HTTPS, and the request then times out.
 // A captive portal is then detected, and a login tab opened, before logging
 // in.
 IN_PROC_BROWSER_TEST_F(CaptivePortalBrowserTest, HstsLogin) {
   GURL::Replacements replacements;
-  std::string scheme = "http";
-  replacements.SetSchemeStr(scheme);
+  replacements.SetSchemeStr("http");
   GURL http_timeout_url = GURL(kMockHttpsUrl).ReplaceComponents(replacements);
 
   URLRequestFailedJob::GetMockHttpUrl(net::ERR_CONNECTION_TIMED_OUT);
   content::BrowserThread::PostTask(
       content::BrowserThread::IO, FROM_HERE,
       base::Bind(&AddHstsHost,
                  make_scoped_refptr(browser()->profile()->GetRequestContext()),
                  http_timeout_url.host()));
 
   SlowLoadBehindCaptivePortal(browser(), true, http_timeout_url, 1, 1);
@@ skipping 29 matching lines @@
 
   EXPECT_EQ(CaptivePortalTabReloader::STATE_NEEDS_RELOAD,
             GetStateOfTabReloaderAt(browser(), broken_tab_index));
 
   WaitForInterstitialAttach(broken_tab_contents);
   portal_observer.WaitForResults(1);
 
   EXPECT_EQ(SSLBlockingPage::kTypeForTesting,
             GetInterstitialType(broken_tab_contents));
 }