MediaStream audio sourcing: Bypass audio processing for non-WebRTC cases.

content/renderer/media/speech_recognition_audio_sink_unittest.cc

 // Copyright 2014 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 "content/renderer/media/speech_recognition_audio_sink.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
 #include <utility>
@@ skipping 274 matching lines @@
                                             NULL));
     scoped_refptr<WebRtcLocalAudioTrackAdapter> adapter(
         WebRtcLocalAudioTrackAdapter::Create(std::string(), NULL));
     scoped_ptr<WebRtcLocalAudioTrack> native_track(
         new WebRtcLocalAudioTrack(adapter.get(), capturer, NULL));
     blink::WebMediaStreamSource blink_audio_source;
     blink_audio_source.initialize(base::UTF8ToUTF16("dummy_source_id"),
                                   blink::WebMediaStreamSource::TypeAudio,
                                   base::UTF8ToUTF16("dummy_source_name"),
                                   false /* remote */, true /* readonly */);
-    MediaStreamSource::SourceStoppedCallback cb;
-    blink_audio_source.setExtraData(
-        new MediaStreamAudioSource(-1, device_info, cb, NULL));
+    MediaStreamSource* const audio_source = new MediaStreamAudioSource();
+    audio_source->SetDeviceInfo(device_info);
+    blink_audio_source.setExtraData(audio_source);  // Takes ownership.
     blink_track->initialize(blink::WebString::fromUTF8("dummy_track"),
                             blink_audio_source);
     blink_track->setExtraData(native_track.release());
   }
 
   // Emulates an audio capture device capturing data from the source.
   inline void CaptureAudio(const uint32_t buffers) {
     for (uint32_t i = 0; i < buffers; ++i) {
       const base::TimeTicks estimated_capture_time = first_frame_capture_time_ +
           (sample_frames_captured_ * base::TimeDelta::FromSeconds(1) /
@@ skipping 220 matching lines @@
   const uint32_t buffers_per_notification = Initialize(44100, 441, 16000, 1600);
   AssertConsumedBuffers(0U);
   CaptureAudioAndAssertConsumedBuffers(buffers_per_notification, 1U);
   EXPECT_CALL(*this, StoppedCallback()).Times(1);
 
   native_track()->Stop();
   CaptureAudioAndAssertConsumedBuffers(buffers_per_notification, 1U);
 }
 
 }  // namespace content