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

content/public/common/media_stream_request.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/public/common/media_stream_request.h"
 
 #include "base/logging.h"
 #include "build/build_config.h"
 
 namespace content {
 
 bool IsAudioInputMediaType(MediaStreamType type) {
   return (type == MEDIA_DEVICE_AUDIO_CAPTURE ||
           type == content::MEDIA_TAB_AUDIO_CAPTURE ||
           type == content::MEDIA_DESKTOP_AUDIO_CAPTURE);
 }
 
 bool IsVideoMediaType(MediaStreamType type) {
   return (type == MEDIA_DEVICE_VIDEO_CAPTURE ||
           type == content::MEDIA_TAB_VIDEO_CAPTURE ||
           type == content::MEDIA_DESKTOP_VIDEO_CAPTURE);
 }
 
+bool IsContentCaptureMediaType(MediaStreamType type) {
+  return (type == content::MEDIA_TAB_AUDIO_CAPTURE ||
+          type == content::MEDIA_TAB_VIDEO_CAPTURE ||
+          type == content::MEDIA_DESKTOP_AUDIO_CAPTURE ||
+          type == content::MEDIA_DESKTOP_VIDEO_CAPTURE);
+}
+
 MediaStreamDevice::MediaStreamDevice()
     : type(MEDIA_NO_SERVICE),
       video_facing(MEDIA_VIDEO_FACING_NONE) {
 }
 
 MediaStreamDevice::MediaStreamDevice(
     MediaStreamType type,
     const std::string& id,
     const std::string& name)
     : type(type),
@@ skipping 84 matching lines @@
       requested_audio_device_id(requested_audio_device_id),
       requested_video_device_id(requested_video_device_id),
       audio_type(audio_type),
       video_type(video_type),
       all_ancestors_have_same_origin(false) {
 }
 
 MediaStreamRequest::~MediaStreamRequest() {}
 
 }  // namespace content