Move one CircularBuffer to webrtc::test namespace.

webrtc/modules/audio_coding/test/APITest.cc

 /*
  *  Copyright (c) 2012 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.
  */
 
@@ skipping 660 matching lines @@
   Channel* myChannel;
   int32_t* myMinDelay;
   EventTimerWrapper* myEvent = EventTimerWrapper::Create();
 
   uint32_t inTimestamp = 0;
   double estimDelay = 0;
 
   double averageEstimDelay = 0;
   double averageDelay = 0;
 
-  CircularBuffer estimDelayCB(100);
+  test::CircularBuffer estimDelayCB(100);
   estimDelayCB.SetArithMean(true);
 
   if (side == 'A') {
     myACM = _acmA.get();
     myChannel = _channel_B2A;
     myMinDelay = &_minDelayA;
   } else {
     myACM = _acmB.get();
     myChannel = _channel_A2B;
     myMinDelay = &_minDelayB;
@@ skipping 414 matching lines @@
   CHECK_ERROR_MT(myACM->RegisterSendCodec(myCodec));
   myChannel->ResetStats();
   {
     WriteLockScoped wl(_apiTestRWLock);
     *thereIsEncoder = true;
   }
   Wait(500);
 }
 
 }  // namespace webrtc