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

content/public/test/fake_speech_recognition_manager.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 "content/public/test/fake_speech_recognition_manager.h"
 
 #include "base/bind.h"
 #include "base/message_loop.h"
-#include "base/utf_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/speech_recognition_event_listener.h"
 #include "content/public/common/speech_recognition_result.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 const char kTestResult[] = "Pictures of the moon";
 }  // namespace
 
 namespace content {
 
@@ skipping 114 matching lines @@
   SpeechRecognitionResults results;
   results.push_back(result);
   listener_->OnRecognitionResults(session_id_, results);
   listener_->OnRecognitionEnd(session_id_);
   session_id_ = 0;
   listener_ = NULL;
   VLOG(1) << "Finished setting fake recognition result.";
 }
 
 }  // namespace content