Delete some unused header files.

webrtc/tools/agc/fake_agc.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 WEBRTC_TOOLS_AGC_FAKE_AGC_H_
-#define WEBRTC_TOOLS_AGC_FAKE_AGC_H_
-
-#include "webrtc/modules/audio_processing/agc/agc.h"
-
-namespace webrtc {
-
-class FakeAgc : public Agc {
- public:
-  FakeAgc()
-      : counter_(0),
-        volume_(kMaxVolume / 2) {
-  }
-
-  virtual int Process(const AudioFrame& audio_frame) {
-    const int kUpdateIntervalFrames = 10;
-    const int kMaxVolume = 255;
-    if (counter_ % kUpdateIntervalFrames == 0) {
-      volume_ = (++volume_) % kMaxVolume;
-    }
-    counter_++;
-    return 0;
-  }
-
-  virtual int FakeAgc::MicVolume() {
-    return volume_;
-  }
-
- private:
-  int counter_;
-  int volume_;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_TOOLS_AGC_FAKE_AGC_H_