Add support for audio input mute detection on all platforms

media/audio/android/opensles_input.cc

 // Copyright (c) 2012 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.
 
 #include "media/audio/android/opensles_input.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "media/audio/android/audio_manager_android.h"
 #include "media/base/audio_bus.h"
@@ skipping 167 matching lines @@
 
 void OpenSLESInputStream::SetAutomaticGainControl(bool enabled) {
   NOTIMPLEMENTED();
 }
 
 bool OpenSLESInputStream::GetAutomaticGainControl() {
   NOTIMPLEMENTED();
   return false;
 }
 
+bool OpenSLESInputStream::IsMuted() {
+  NOTIMPLEMENTED();
+  return false;
+}
+
 bool OpenSLESInputStream::CreateRecorder() {
   DCHECK(thread_checker_.CalledOnValidThread());
   DCHECK(!engine_object_.Get());
   DCHECK(!recorder_object_.Get());
   DCHECK(!recorder_);
   DCHECK(!simple_buffer_queue_);
 
   // Initializes the engine object with specific option. After working with the
   // object, we need to free the object and its resources.
   SLEngineOption option[] = {
@@ skipping 137 matching lines @@
   }
 }
 
 void OpenSLESInputStream::HandleError(SLresult error) {
   DLOG(ERROR) << "OpenSLES Input error " << error;
   if (callback_)
     callback_->OnError(this);
 }
 
 }  // namespace media