Revert of Implement AudioReceiveStream::GetStats().

webrtc/audio/scoped_voe_interface.h

-/*
- *  Copyright (c) 2015 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_AUDIO_SCOPED_VOE_INTERFACE_H_
-#define WEBRTC_AUDIO_SCOPED_VOE_INTERFACE_H_
-
-#include "webrtc/base/checks.h"
-
-namespace webrtc {
-
-class VoiceEngine;
-
-namespace internal {
-
-template<class T> class ScopedVoEInterface {
- public:
-  explicit ScopedVoEInterface(webrtc::VoiceEngine* e)
-      : ptr_(T::GetInterface(e)) {
-    RTC_DCHECK(ptr_);
-  }
-  ~ScopedVoEInterface() {
-    if (ptr_) {
-      ptr_->Release();
-    }
-  }
-  T* operator->() {
-    RTC_DCHECK(ptr_);
-    return ptr_;
-  }
- private:
-  T* ptr_;
-};
-}  // namespace internal
-}  // namespace webrtc
-
-#endif  // WEBRTC_AUDIO_SCOPED_VOE_INTERFACE_H_