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

chrome/browser/extensions/process_management_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 "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
@@ skipping 49 matching lines @@
   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app2")));
   ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("hosted_app")));
   ASSERT_TRUE(
       LoadExtension(test_data_dir_.AppendASCII("api_test/app_process")));
 
   // The app under test acts on URLs whose host is "localhost",
   // so the URLs we navigate to must have host "localhost".
   GURL base_url = embedded_test_server()->GetURL(
       "/extensions/");
   GURL::Replacements replace_host;
-  std::string host_str("localhost");  // Must stay in scope with replace_host.
-  replace_host.SetHostStr(host_str);
+  replace_host.SetHostStr("localhost");
   base_url = base_url.ReplaceComponents(replace_host);
 
   // Load an extension before adding tabs.
   const extensions::Extension* extension1 = LoadExtension(
       test_data_dir_.AppendASCII("api_test/browser_action/basics"));
   ASSERT_TRUE(extension1);
   GURL extension1_url = extension1->url();
 
   // Create multiple tabs for each type of renderer that might exist.
   ui_test_utils::NavigateToURL(
@@ skipping 111 matching lines @@
   content::RenderProcessHost::SetMaxRendererProcessCount(6);
 
   host_resolver()->AddRule("*", "127.0.0.1");
   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
 
   // The app under test acts on URLs whose host is "localhost",
   // so the URLs we navigate to must have host "localhost".
   GURL base_url = embedded_test_server()->GetURL(
       "/extensions/");
   GURL::Replacements replace_host;
-  std::string host_str("localhost");  // Must stay in scope with replace_host.
-  replace_host.SetHostStr(host_str);
+  replace_host.SetHostStr("localhost");
   base_url = base_url.ReplaceComponents(replace_host);
 
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("api_test/browser_action/none")));
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("api_test/browser_action/basics")));
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("api_test/browser_action/remove_popup")));
   ASSERT_TRUE(LoadExtension(
       test_data_dir_.AppendASCII("api_test/browser_action/add_popup")));
@@ skipping 20 matching lines @@
   }
 
   // We've loaded 5 extensions with background pages, 1 extension without
   // background page, and one isolated app. We expect only 2 unique processes
   // hosting those extensions.
   extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
 
   EXPECT_GE((size_t) 6, process_map->size());
   EXPECT_EQ((size_t) 2, process_ids.size());
 }