Enable platform echo cancellation through the AudioRecord path.

media/audio/fake_audio_manager.cc

 // Copyright 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.
 
 #include "media/audio/fake_audio_manager.h"
 
 namespace media {
 
 FakeAudioManager::FakeAudioManager(AudioLogFactory* audio_log_factory)
     : AudioManagerBase(audio_log_factory) {}
@@ skipping 45 matching lines @@
   if (input_params.IsValid()) {
     sample_rate = input_params.sample_rate();
     bits_per_sample = input_params.bits_per_sample();
     channel_layout = input_params.channel_layout();
     input_channels = input_params.input_channels();
     buffer_size = std::min(input_params.frames_per_buffer(), 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);
 }
 
 }  // namespace media