MediaStream audio: Refactor 3 separate "glue" implementations into one.

content/renderer/media/webrtc/mock_peer_connection_dependency_factory.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/webrtc/mock_peer_connection_dependency_factory.h"
 
 #include <stddef.h>
 
 #include "base/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/renderer/media/mock_peer_connection_impl.h"
-#include "content/renderer/media/webaudio_capturer_source.h"
-#include "content/renderer/media/webrtc/webrtc_local_audio_track_adapter.h"
 #include "content/renderer/media/webrtc/webrtc_video_capturer_adapter.h"
-#include "content/renderer/media/webrtc_audio_capturer.h"
-#include "content/renderer/media/webrtc_local_audio_track.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 #include "third_party/webrtc/api/mediastreaminterface.h"
 #include "third_party/webrtc/base/scoped_ref_ptr.h"
 #include "third_party/webrtc/media/base/videocapturer.h"
 
 using webrtc::AudioSourceInterface;
 using webrtc::AudioTrackInterface;
 using webrtc::AudioTrackVector;
 using webrtc::IceCandidateCollection;
 using webrtc::IceCandidateInterface;
@@ skipping 346 matching lines @@
 
  private:
   std::string sdp_mid_;
   int sdp_mline_index_;
   std::string sdp_;
   cricket::Candidate candidate_;
 };
 
 MockPeerConnectionDependencyFactory::MockPeerConnectionDependencyFactory()
     : PeerConnectionDependencyFactory(NULL),
-      fail_to_create_next_audio_capturer_(false) {
+      signaling_thread_("MockPCFactory WebRtc Signaling Thread") {
+  EnsureWebRtcAudioDeviceImpl();
+  CHECK(signaling_thread_.Start());
 }
 
 MockPeerConnectionDependencyFactory::~MockPeerConnectionDependencyFactory() {}
 
 scoped_refptr<webrtc::PeerConnectionInterface>
 MockPeerConnectionDependencyFactory::CreatePeerConnection(
     const webrtc::PeerConnectionInterface::RTCConfiguration& config,
     blink::WebFrame* frame,
     webrtc::PeerConnectionObserver* observer) {
   return new rtc::RefCountedObject<MockPeerConnectionImpl>(this, observer);
@@ skipping 15 matching lines @@
 
 scoped_refptr<webrtc::VideoTrackSourceInterface>
 MockPeerConnectionDependencyFactory::CreateVideoSource(
     cricket::VideoCapturer* capturer) {
   // Video source normally take ownership of |capturer|.
   delete capturer;
   NOTIMPLEMENTED();
   return nullptr;
 }
 
-void MockPeerConnectionDependencyFactory::CreateWebAudioSource(
-    blink::WebMediaStreamSource* source) {}
-
 scoped_refptr<webrtc::MediaStreamInterface>
 MockPeerConnectionDependencyFactory::CreateLocalMediaStream(
     const std::string& label) {
   return new rtc::RefCountedObject<MockMediaStream>(label);
 }
 
 scoped_refptr<webrtc::VideoTrackInterface>
 MockPeerConnectionDependencyFactory::CreateLocalVideoTrack(
     const std::string& id,
     webrtc::VideoTrackSourceInterface* source) {
@@ skipping 19 matching lines @@
 }
 
 webrtc::IceCandidateInterface*
 MockPeerConnectionDependencyFactory::CreateIceCandidate(
     const std::string& sdp_mid,
     int sdp_mline_index,
     const std::string& sdp) {
   return new MockIceCandidate(sdp_mid, sdp_mline_index, sdp);
 }
 
-std::unique_ptr<WebRtcAudioCapturer>
-MockPeerConnectionDependencyFactory::CreateAudioCapturer(
-    int render_frame_id,
-    const StreamDeviceInfo& device_info,
-    const blink::WebMediaConstraints& constraints,
-    MediaStreamAudioSource* audio_source) {
-  if (fail_to_create_next_audio_capturer_) {
-    fail_to_create_next_audio_capturer_ = false;
-    return NULL;
-  }
-  DCHECK(audio_source);
-  return WebRtcAudioCapturer::CreateCapturer(-1, device_info, constraints, NULL,
-                                             audio_source);
+scoped_refptr<base::SingleThreadTaskRunner>
+MockPeerConnectionDependencyFactory::GetWebRtcSignalingThread() const {
+  return signaling_thread_.task_runner();
 }
 
 }  // namespace content