Remove VoEExternalMedia interface.

webrtc/voice_engine/test/auto_test/fakes/fake_media_process.h

-/*
- *  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.
- */
-#ifndef VOICE_ENGINE_MAIN_TEST_AUTO_TEST_FAKE_MEDIA_PROCESS_H_
-#define VOICE_ENGINE_MAIN_TEST_AUTO_TEST_FAKE_MEDIA_PROCESS_H_
-
-#include <math.h>
-
-class FakeMediaProcess : public webrtc::VoEMediaProcess {
- public:
-  FakeMediaProcess() : frequency(0) {}
-  virtual void Process(int channel,
-                       const webrtc::ProcessingTypes type,
-                       int16_t audio_10ms[],
-                       size_t length,
-                       int sampling_freq_hz,
-                       bool stereo) {
-    for (size_t i = 0; i < length; i++) {
-      if (!stereo) {
-        audio_10ms[i] = static_cast<int16_t>(audio_10ms[i] *
-            sin(2.0 * 3.14 * frequency * 400.0 / sampling_freq_hz));
-      } else {
-        // Interleaved stereo.
-        audio_10ms[2 * i] = static_cast<int16_t> (
-            audio_10ms[2 * i] * sin(2.0 * 3.14 *
-                frequency * 400.0 / sampling_freq_hz));
-        audio_10ms[2 * i + 1] = static_cast<int16_t> (
-            audio_10ms[2 * i + 1] * sin(2.0 * 3.14 *
-                frequency * 400.0 / sampling_freq_hz));
-      }
-      frequency++;
-    }
-  }
-
- private:
-  int frequency;
-};
-
-#endif  // VOICE_ENGINE_MAIN_TEST_AUTO_TEST_FAKE_MEDIA_PROCESS_H_