Enable platform echo cancellation through the AudioRecord path.

content/browser/renderer_host/media/audio_input_device_manager_unittest.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 <string>
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 159 matching lines @@
   if (!CanRunAudioInputDeviceTests())
     return;
   InSequence s;
 
   MediaStreamType stream_type = MEDIA_DEVICE_AUDIO_CAPTURE;
   std::string device_name("device_doesnt_exist");
   std::string device_id("id_doesnt_exist");
   int sample_rate(0);
   int channel_config(0);
   StreamDeviceInfo dummy_device(
-      stream_type, device_name, device_id, sample_rate, channel_config, 2048);
+      stream_type, device_name, device_id, sample_rate, channel_config, 2048,
+      false);
 
   int session_id = manager_->Open(dummy_device);
   EXPECT_CALL(*audio_input_listener_,
               Opened(MEDIA_DEVICE_AUDIO_CAPTURE, session_id))
       .Times(1);
 
   // Waits for the callback.
   message_loop_->RunUntilIdle();
 }
 
@@ skipping 91 matching lines @@
   DCHECK(!info);
 
   manager_->Close(session_id);
   EXPECT_CALL(*audio_input_listener_,
               Closed(MEDIA_DEVICE_AUDIO_CAPTURE, session_id))
       .Times(1);
   message_loop_->RunUntilIdle();
 }
 
 }  // namespace content