Pass camera facing info to audio client

content/browser/renderer_host/media/audio_output_authorization_handler_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.
 
 // Unit tests for AudioOutputAuthorizationHandler.
 
 #include "content/browser/renderer_host/media/audio_output_authorization_handler.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
+#include "component/arc/video_facing.h"
 #include "content/browser/audio_manager_thread.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/test/mock_render_process_host.h"
 #include "content/public/test/test_browser_context.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "media/audio/audio_device_description.h"
 #include "media/audio/fake_audio_log_factory.h"
 #include "media/audio/fake_audio_manager.h"
 #include "media/base/media_switches.h"
@@ skipping 24 matching lines @@
                     const media::AudioParameters& params,
                     const std::string& id));
 
   AudioOutputAuthorizationHandler::AuthorizationCompletedCallback
   GetCallback() {
     return base::Bind(&MockListener::MockAuthorizationCallback,
                       base::Unretained(this));
   }
 };
 
+class MockVideoCaptureObserver : public component::VideoCaptureObserver {
+ public:
+  MOCK_METHOD1(OnVideoCaptureStarted, void(component::VideoFacingMode));
+  MOCK_METHOD1(OnVideoCaptureStopped, void(component::VideoFacingMode));
+};
+
 url::Origin SecurityOrigin() {
   return url::Origin(GURL(kSecurityOriginString));
 }
 
 url::Origin BadSecurityOrigin() {
   return url::Origin(GURL(kBadSecurityOriginString));
 }
 }  //  namespace
 
 class AudioOutputAuthorizationHandlerTest : public testing::Test {
  public:
   AudioOutputAuthorizationHandlerTest() {
     // Not threadsafe, thus set before threads are started:
     base::CommandLine::ForCurrentProcess()->AppendSwitch(
         switches::kUseFakeDeviceForMediaStream);
 
     thread_bundle_ = base::MakeUnique<TestBrowserThreadBundle>(
         TestBrowserThreadBundle::Options::REAL_IO_THREAD);
     audio_thread_ = base::MakeUnique<AudioManagerThread>();
     audio_manager_.reset(new media::FakeAudioManager(
         audio_thread_->task_runner(), audio_thread_->worker_task_runner(),
         &log_factory_));
     media_stream_manager_ =
-        base::MakeUnique<MediaStreamManager>(audio_manager_.get());
+        base::MakeUnique<MediaStreamManager>(audio_manager_.get(), new MockVideoCaptureObserver());
     // Make sure everything is done initializing:
     SyncWithAllThreads();
   }
 
   ~AudioOutputAuthorizationHandlerTest() override { SyncWithAllThreads(); }
 
  protected:
   MediaStreamManager* GetMediaStreamManager() {
     return media_stream_manager_.get();
   }
@@ skipping 250 matching lines @@
       (base::Bind(&AudioOutputAuthorizationHandler::RequestDeviceAuthorization,
                   base::Unretained(handler.get()), kRenderFrameId, kSessionId,
                   std::string(), BadSecurityOrigin(), listener.GetCallback())));
 
   SyncWithAllThreads();
   BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, handler.release());
   SyncWithAllThreads();
 }
 
 }  // namespace content