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

chrome/browser/extensions/api/streams_private/streams_private_apitest.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 "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 298 matching lines @@
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kAshBrowserTests))
     return;
 #endif
 
   ASSERT_TRUE(LoadTestExtension()) << message_;
 
   ResultCatcher catcher;
 
   // Navigate to a URL on a different hostname.
-  std::string initial_host = "www.example.com";
-  host_resolver()->AddRule(initial_host, "127.0.0.1");
+  static const char kInitialHost[] = "www.example.com";
+  host_resolver()->AddRule(kInitialHost, "127.0.0.1");
   GURL::Replacements replacements;
-  replacements.SetHostStr(initial_host);
+  replacements.SetHostStr(kInitialHost);
   GURL initial_url =
       test_server_->GetURL("/index.html").ReplaceComponents(replacements);
   ui_test_utils::NavigateToURL(browser(), initial_url);
 
   // Now navigate to the doc file; the extension should pick it up normally.
   ui_test_utils::NavigateToURL(browser(),
                                test_server_->GetURL("/doc_path.doc"));
 
   // Wait for the response from the test server.
   base::MessageLoop::current()->RunUntilIdle();
@@ skipping 147 matching lines @@
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_TRUE(catcher.GetNextResult());
 
   ui_test_utils::NavigateToURL(browser(),
                                test_server_->GetURL("/abort.rtf"));
   base::MessageLoop::current()->RunUntilIdle();
   EXPECT_TRUE(catcher.GetNextResult());
 }
 
 }  // namespace