Remove dead code related to media device enumerations and monitoring.

content/renderer/media/rtc_peer_connection_handler_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 "content/renderer/media/rtc_peer_connection_handler.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <set>
@@ skipping 174 matching lines @@
            WebRTCPeerConnectionHandlerClient::ICEGatheringState state));
   MOCK_METHOD1(TrackOnRenegotiationNeeded,
                void(RTCPeerConnectionHandler* pc_handler));
   MOCK_METHOD2(TrackCreateDTMFSender,
                void(RTCPeerConnectionHandler* pc_handler,
                      const blink::WebMediaStreamTrack& track));
 };
 
 class MockRTCStatsReportCallback : public blink::WebRTCStatsReportCallback {
  public:
-  MockRTCStatsReportCallback(std::unique_ptr<blink::WebRTCStatsReport>* result)
-      : main_thread_(base::ThreadTaskRunnerHandle::Get()),
-        result_(result) {
+  explicit MockRTCStatsReportCallback(
+      std::unique_ptr<blink::WebRTCStatsReport>* result)
+      : main_thread_(base::ThreadTaskRunnerHandle::Get()), result_(result) {
     DCHECK(result_);
   }
 
   void OnStatsDelivered(
       std::unique_ptr<blink::WebRTCStatsReport> report) override {
     EXPECT_TRUE(main_thread_->BelongsToCurrentThread());
     EXPECT_TRUE(report);
     result_->reset(report.release());
   }
 
@@ skipping 76 matching lines @@
     std::string audio_track_label("audio-label");
     blink::WebMediaStreamSource blink_audio_source;
     blink_audio_source.initialize(blink::WebString::fromUTF8(audio_track_label),
                                   blink::WebMediaStreamSource::TypeAudio,
                                   blink::WebString::fromUTF8("audio_track"),
                                   false /* remote */);
     ProcessedLocalAudioSource* const audio_source =
         new ProcessedLocalAudioSource(
             -1 /* consumer_render_frame_id is N/A for non-browser tests */,
             StreamDeviceInfo(MEDIA_DEVICE_AUDIO_CAPTURE, "Mock device",
-                             "mock_device_id", "mock_group_id",
+                             "mock_device_id",
                              media::AudioParameters::kAudioCDSampleRate,
                              media::CHANNEL_LAYOUT_STEREO,
                              media::AudioParameters::kAudioCDSampleRate / 100),
             mock_dependency_factory_.get());
     audio_source->SetAllowInvalidRenderFrameIdForTesting(true);
     audio_source->SetSourceConstraints(
         MockConstraintFactory().CreateWebMediaConstraints());
     blink_audio_source.setExtraData(audio_source);  // Takes ownership.
 
     blink::WebMediaStreamSource video_source;
@@ skipping 908 matching lines @@
                                     testing::Ref(tracks[0])));
 
   std::unique_ptr<blink::WebRTCDTMFSenderHandler> sender(
       pc_handler_->createDTMFSender(tracks[0]));
   EXPECT_TRUE(sender.get());
 
   StopAllTracks(local_stream);
 }
 
 }  // namespace content