iSAC: Make separate AudioEncoder and AudioDecoder objects

webrtc/modules/audio_coding/codecs/isac/locked_bandwidth_info.cc

Index: webrtc/modules/audio_coding/codecs/isac/locked_bandwidth_info.cc
diff --git a/webrtc/modules/audio_processing/beamformer/mock_nonlinear_beamformer.cc b/webrtc/modules/audio_coding/codecs/isac/locked_bandwidth_info.cc
similarity index 62%
copy from webrtc/modules/audio_processing/beamformer/mock_nonlinear_beamformer.cc
copy to webrtc/modules/audio_coding/codecs/isac/locked_bandwidth_info.cc
index aecb0ec0ce8b508bdc8c1cff9e073a13eed55583..78b415c4c950224a459759cb681b8f04f807b6b4 100644
--- a/webrtc/modules/audio_processing/beamformer/mock_nonlinear_beamformer.cc
+++ b/webrtc/modules/audio_coding/codecs/isac/locked_bandwidth_info.cc
@@ -8,15 +8,15 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "webrtc/modules/audio_processing/beamformer/mock_nonlinear_beamformer.h"
-
-#include <vector>
+#include "webrtc/modules/audio_coding/codecs/isac/locked_bandwidth_info.h"
 
 namespace webrtc {
 
-MockNonlinearBeamformer::MockNonlinearBeamformer(
-    const std::vector<Point>& array_geometry)
-    : NonlinearBeamformer(array_geometry) {
+LockedIsacBandwidthInfo::LockedIsacBandwidthInfo()
+      : lock_(CriticalSectionWrapper::CreateCriticalSection()) {
+  bwinfo_.in_use = 0;
 }
 
+LockedIsacBandwidthInfo::~LockedIsacBandwidthInfo() = default;
+
 }  // namespace webrtc