Don't make a top-level namespace called "voetest"

webrtc/voice_engine/test/auto_test/automated_mode.h

 /*
  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef SRC_VOICE_ENGINE_MAIN_TEST_AUTO_TEST_AUTOMATED_MODE_H_
 #define SRC_VOICE_ENGINE_MAIN_TEST_AUTO_TEST_AUTOMATED_MODE_H_
 
+namespace webrtc {
+namespace voetest {
+
 void InitializeGoogleTest(int* argc, char** argv);
 int RunInAutomatedMode();
 
+}  // namespace voetest
+}  // namespace webrtc
+
 #endif  // SRC_VOICE_ENGINE_MAIN_TEST_AUTO_TEST_AUTOMATED_MODE_H_