Enable platform echo cancellation through the AudioRecord path.

media/audio/win/audio_manager_win.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/audio_io.h"
 
 #include <windows.h>
 #include <objbase.h>  // This has to be before initguid.h
 #include <initguid.h>
 #include <mmsystem.h>
@@ skipping 485 matching lines @@
       sample_rate = input_params.sample_rate();
     }
   }
 
   int user_buffer_size = GetUserBufferSize();
   if (user_buffer_size)
     buffer_size = user_buffer_size;
 
   return AudioParameters(
       AudioParameters::AUDIO_PCM_LOW_LATENCY, channel_layout, input_channels,
-      sample_rate, bits_per_sample, buffer_size);
+      sample_rate, bits_per_sample, buffer_size, AudioParameters::NO_EFFECTS);
 }
 
 AudioInputStream* AudioManagerWin::CreatePCMWaveInAudioInputStream(
     const AudioParameters& params,
     const std::string& device_id) {
   std::string xp_device_id = device_id;
   if (device_id != AudioManagerBase::kDefaultDeviceId &&
       enumeration_type_ == kMMDeviceEnumeration) {
     xp_device_id = ConvertToWinXPInputDeviceId(device_id);
     if (xp_device_id.empty()) {
       DLOG(ERROR) << "Cannot find a waveIn device which matches the device ID "
                   << device_id;
       return NULL;
     }
   }
 
   return new PCMWaveInAudioInputStream(this, params, kNumInputBuffers,
                                        xp_device_id);
 }
 
 /// static
 AudioManager* CreateAudioManager(AudioLogFactory* audio_log_factory) {
   return new AudioManagerWin(audio_log_factory);
 }
 
 }  // namespace media