Clean up PlatformThread.

webrtc/voice_engine/test/auto_test/voe_stress_test.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 WEBRTC_VOICE_ENGINE_VOE_STRESS_TEST_H
 #define WEBRTC_VOICE_ENGINE_VOE_STRESS_TEST_H
 
 #include "webrtc/base/platform_thread.h"
+#include "webrtc/base/scoped_ptr.h"
 
 namespace voetest {
-// TODO(andrew): using directives are not permitted.
-using namespace webrtc;
 
 class VoETestManager;
 
 class VoEStressTest {
  public:
   VoEStressTest(VoETestManager& mgr) : _mgr(mgr) {
   }
   ~VoEStressTest() {
   }
   int DoTest();
 
  private:
   int MenuSelection();
   int StartStopTest();
   int CreateDeleteChannelsTest();
   int MultipleThreadsTest();
 
   static bool RunExtraApi(void* ptr);
   bool ProcessExtraApi();
 
   VoETestManager& _mgr;
 
-  rtc::scoped_ptr<PlatformThread> _ptrExtraApiThread;
+  // TODO(pbos): Remove scoped_ptr and use PlatformThread directly.
+  rtc::scoped_ptr<rtc::PlatformThread> _ptrExtraApiThread;
 };
 
 }  // namespace voetest
 
 #endif // WEBRTC_VOICE_ENGINE_VOE_STRESS_TEST_H