Remove AgcManager.

webrtc/modules/audio_processing/agc/agc_manager_direct.h

Index: webrtc/modules/audio_processing/agc/agc_manager_direct.h
diff --git a/webrtc/modules/audio_processing/agc/agc_manager_direct.h b/webrtc/modules/audio_processing/agc/agc_manager_direct.h
index fae1248b195d0c1a586ae5090fadc6cf2b9b76ec..6edb0f7bf137b22b81e4cdcda76d4da083afaa58 100644
--- a/webrtc/modules/audio_processing/agc/agc_manager_direct.h
+++ b/webrtc/modules/audio_processing/agc/agc_manager_direct.h
@@ -21,9 +21,9 @@ class DebugFile;
 class GainControl;
 
 // Callbacks that need to be injected into AgcManagerDirect to read and control
-// the volume values. They have different behavior if they are called from
-// AgcManager or AudioProcessing. This is done to remove the VoiceEngine
-// dependency in AgcManagerDirect.
+// the volume values. This is done to remove the VoiceEngine dependency in
+// AgcManagerDirect.
+// TODO(aluebs): Remove VolumeCallbacks.
 class VolumeCallbacks {
  public:
   virtual ~VolumeCallbacks() {}
@@ -33,11 +33,10 @@ class VolumeCallbacks {
 
 // Direct interface to use AGC to set volume and compression values.
 // AudioProcessing uses this interface directly to integrate the callback-less
-// AGC. AgcManager delegates most of its calls here. See agc_manager.h for
-// undocumented methods.
+// AGC.
 //
 // This class is not thread-safe.
-class AgcManagerDirect {
+class AgcManagerDirect final {
  public:
   // AgcManagerDirect will configure GainControl internally. The user is
   // responsible for processing the audio using it after the call to Process.
@@ -60,6 +59,15 @@ class AgcManagerDirect {
                          size_t samples_per_channel);
   void Process(const int16_t* audio, size_t length, int sample_rate_hz);
 
+  // Call when the capture stream has been muted/unmuted. This causes the
+  // manager to disregard all incoming audio; chances are good it's background
+  // noise to which we'd like to avoid adapting.
+  void SetCaptureMuted(bool muted);
+  bool capture_muted() { return capture_muted_; }
+
+  float voice_probability();
+
+ private:
   // Sets a new microphone level, after first checking that it hasn't been
   // updated by the user, in which case no action is taken.
   void SetLevel(int new_level);
@@ -69,12 +77,6 @@ class AgcManagerDirect {
   // |kClippedLevelMin|.
   void SetMaxLevel(int level);
 
-  void SetCaptureMuted(bool muted);
-  bool capture_muted() { return capture_muted_; }
-
-  float voice_probability();
-
- private:
   int CheckVolumeAndReset();
   void UpdateGain();
   void UpdateCompressor();
@@ -97,6 +99,8 @@ class AgcManagerDirect {
 
   rtc::scoped_ptr<DebugFile> file_preproc_;
   rtc::scoped_ptr<DebugFile> file_postproc_;
+
+  RTC_DISALLOW_COPY_AND_ASSIGN(AgcManagerDirect);
 };
 
 }  // namespace webrtc