Cleaned up and revised the handling of resampling and bandsplitting in APM and

webrtc/modules/audio_processing/echo_control_mobile_impl.cc

 /*
  *  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.
  */
 
@@ skipping 261 matching lines @@
     // the public APM API.
     Initialize(stream_properties_->sample_rate_hz,
                stream_properties_->num_reverse_channels,
                stream_properties_->num_output_channels);
   } else {
     enabled_ = enable;
   }
   return AudioProcessing::kNoError;
 }
 
-bool EchoControlMobileImpl::is_enabled_render_side_query() const {
-  // TODO(peah): Add threadchecker.
-  rtc::CritScope cs_render(crit_render_);
-  return enabled_;
-}
-
 bool EchoControlMobileImpl::is_enabled() const {
   rtc::CritScope cs(crit_capture_);
   return enabled_;
 }
 
 int EchoControlMobileImpl::set_routing_mode(RoutingMode mode) {
   if (MapSetting(mode) == -1) {
     return AudioProcessing::kBadParameterError;
   }
 
@@ skipping 148 matching lines @@
   }
   return error;
 }
 
 size_t EchoControlMobileImpl::num_handles_required() const {
   RTC_DCHECK(stream_properties_);
   return stream_properties_->num_output_channels *
          stream_properties_->num_reverse_channels;
 }
 }  // namespace webrtc