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

content/shell/renderer/layout_test/blink_test_runner.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 "content/shell/renderer/layout_test/blink_test_runner.h"
 
 #include <stddef.h>
 #include <algorithm>
 #include <clocale>
 #include <cmath>
@@ skipping 776 matching lines @@
   return false;
 #endif
 }
 
 bool BlinkTestRunner::AddMediaStreamAudioSourceAndTrack(
     blink::WebMediaStream* stream) {
   DCHECK(stream);
 #if defined(ENABLE_WEBRTC)
   return AddAudioTrackToMediaStream(
       make_scoped_refptr(new MockAudioCapturerSource()),
-      false /* is_remote */, false /* is_readonly */, stream);
+      48000 /* sample rate */, media::CHANNEL_LAYOUT_STEREO,
+      480 /* sample frames per buffer */, false /* is_remote */,
+      false /* is_readonly */, stream);
 #else
   return false;
 #endif
 }
 
 // RenderViewObserver  --------------------------------------------------------
 
 void BlinkTestRunner::DidClearWindowObject(WebLocalFrame* frame) {
   WebTestingSupport::injectInternalsObject(frame);
   LayoutTestRenderProcessObserver::GetInstance()->test_interfaces()->BindTo(
@@ skipping 198 matching lines @@
   get_bluetooth_events_callbacks_.pop_front();
   callback.Run(events);
 }
 
 void BlinkTestRunner::ReportLeakDetectionResult(
     const LeakDetectionResult& report) {
   Send(new ShellViewHostMsg_LeakDetectionDone(routing_id(), report));
 }
 
 }  // namespace content