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

chrome/browser/chromeos/login/signin/oauth2_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 <string>
 
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/synchronization/waitable_event.h"
@@ skipping 603 matching lines @@
  protected:
   MergeSessionTest() : delayed_fake_gaia_(new DelayedFakeGaia()) {
     fake_gaia_.reset(delayed_fake_gaia_);
   }
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     OAuth2Test::SetUpCommandLine(command_line);
 
     // Get fake URL for fake google.com.
     const GURL& server_url = embedded_test_server()->base_url();
-    std::string google_host("www.google.com");
     GURL::Replacements replace_google_host;
-    replace_google_host.SetHostStr(google_host);
+    replace_google_host.SetHostStr("www.google.com");
     GURL google_url = server_url.ReplaceComponents(replace_google_host);
     fake_google_page_url_ = google_url.Resolve(kHelloPagePath);
 
-    std::string non_google_host("www.somethingelse.org");
     GURL::Replacements replace_non_google_host;
-    replace_non_google_host.SetHostStr(non_google_host);
+    replace_non_google_host.SetHostStr("www.somethingelse.org");
     GURL non_google_url = server_url.ReplaceComponents(replace_non_google_host);
     non_google_page_url_ = non_google_url.Resolve(kRandomPagePath);
 }
 
 void SetUp() override {
     embedded_test_server()->RegisterRequestHandler(
         base::Bind(&FakeGoogle::HandleRequest,
                    base::Unretained(&fake_google_)));
     OAuth2Test::SetUp();
   }
@@ skipping 149 matching lines @@
 
   if (!catcher.GetNextResult()) {
     std::string message = catcher.message();
     ADD_FAILURE() << "Tests failed: " << message;
   }
 
   EXPECT_TRUE(fake_google_.IsPageRequested());
 }
 
 }  // namespace chromeos