[Mojo Video Capture] Fix VideoCaptureManager exposing implementation details to clients

content/browser/renderer_host/media/audio_input_renderer_host_unittest.cc

 // Copyright 2016 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/browser/renderer_host/media/audio_input_renderer_host.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 251 matching lines @@
   AudioInputRendererHostTest() {
     base::CommandLine* flags = base::CommandLine::ForCurrentProcess();
     flags->AppendSwitch(switches::kUseFakeDeviceForMediaStream);
     flags->AppendSwitch(switches::kUseFakeUIForMediaStream);
 
     audio_manager_.reset(new media::FakeAudioManager(
         base::ThreadTaskRunnerHandle::Get(),
         base::ThreadTaskRunnerHandle::Get(), &log_factory_));
     audio_system_ = media::AudioSystemImpl::Create(audio_manager_.get());
     media_stream_manager_ =
-        base::MakeUnique<MediaStreamManager>(audio_system_.get());
+        MediaStreamManager::CreateWithDefaults(audio_system_.get());
     airh_ = new AudioInputRendererHostWithInterception(
         kRenderProcessId, kRendererPid, media::AudioManager::Get(),
         media_stream_manager_.get(), AudioMirroringManager::GetInstance(),
         nullptr, &renderer_);
   }
 
   ~AudioInputRendererHostTest() override {
     airh_->OnChannelClosing();
     base::RunLoop().RunUntilIdle();
   }
@@ skipping 275 matching lines @@
   EXPECT_CALL(controller_factory_, ControllerCreated());
 
   airh_->OnMessageReceived(AudioInputHostMsg_CreateStream(
       kStreamId, kRenderFrameId, session_id, DefaultConfig()));
   base::RunLoop().RunUntilIdle();
 
   EXPECT_CALL(*controller_factory_.controller(0), Close(_));
 }
 
 }  // namespace content