Use a direct include of utf_string_conversions.h in content/.

content/browser/media/webrtc_internals_browsertest.cc

 // Copyright (c) 2013 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/json/json_reader.h"
+#include "base/strings/utf_string_conversions.h"
 #include "base/time.h"
-#include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/shell/shell.h"
 #include "content/test/content_browser_test.h"
 #include "content/test/content_browser_test_utils.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 
 using std::string;
 namespace content {
@@ skipping 680 matching lines @@
   ASSERT_TRUE(ExecuteScriptAndExtractString(
       shell()->web_contents(),
       "window.domAutomationController.send("
       "JSON.stringify(peerConnectionDataStore));",
       &dump_json));
   dump.reset(base::JSONReader::Read(dump_json));
   VerifyStatsDump(dump.get(), pc_0, type, id, stats);
 }
 
 }  // namespace content