cros: Remove system-level policy for audio capture allowed

chromeos/audio/cras_audio_handler.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_
 #define CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_
 
 #include <queue>
 
 #include "base/basictypes.h"
@@ skipping 228 matching lines @@
 
   // Sets output mute state to |mute_on| internally, returns true if output mute
   // is set.
   bool SetOutputMuteInternal(bool mute_on);
 
   // Sets input gain of |node_id| to |gain|.
   void SetInputNodeGain(uint64 node_id, int gain);
 
   void SetInputNodeGainPercent(uint64 node_id, int gain_percent);
 
-  // Sets input mute state to |mute_on| internally, returns true if input mute
-  // is set.
-  bool SetInputMuteInternal(bool mute_on);
+  // Sets input mute state to |mute_on| internally.
+  void SetInputMuteInternal(bool mute_on);
 
   // Calling dbus to get nodes data.
   void GetNodes();
 
   // Updates the current audio nodes list and switches the active device
   // if needed.
   void UpdateDevicesAndSwitchActive(const AudioNodeList& nodes);
 
   // Returns true if *|current_active_node_id| device is changed to
   // |new_active_device|.
@@ skipping 47 matching lines @@
   bool output_mute_on_;
   bool input_mute_on_;
   int output_volume_;
   int input_gain_;
   uint64 active_output_node_id_;
   uint64 active_input_node_id_;
   bool has_alternative_input_;
   bool has_alternative_output_;
 
   bool output_mute_locked_;
-  bool input_mute_locked_;
 
   // Failures are not logged at startup, since CRAS may not be running yet.
   bool log_errors_;
 
   base::WeakPtrFactory<CrasAudioHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CrasAudioHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_AUDIO_CRAS_AUDIO_HANDLER_H_