[Mojo Video Capture] Hook up connection lost events

content/browser/renderer_host/media/video_capture_controller.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_H_
 
 #include <list>
 #include <memory>
 
@@ skipping 102 matching lines @@
   void OnLog(const std::string& message) override;
   void OnStarted() override;
   void OnStartedUsingGpuDecode() override;
 
   // Implementation of VideoCaptureDeviceLauncher::Callbacks interface:
   void OnDeviceLaunched(
       std::unique_ptr<LaunchedVideoCaptureDevice> device) override;
   void OnDeviceLaunchFailed() override;
   void OnDeviceLaunchAborted() override;
 
+  void OnDeviceConnectionLost();
+
   void CreateAndStartDeviceAsync(const media::VideoCaptureParams& params,
                                  VideoCaptureDeviceLaunchObserver* callbacks,
                                  base::OnceClosure done_cb);
   void ReleaseDeviceAsync(base::OnceClosure done_cb);
   bool IsDeviceAlive() const;
   void GetPhotoCapabilities(
       media::VideoCaptureDevice::GetPhotoCapabilitiesCallback callback) const;
   void SetPhotoOptions(
       media::mojom::PhotoSettingsPtr settings,
       media::VideoCaptureDevice::SetPhotoOptionsCallback callback);
@@ skipping 110 matching lines @@
   base::Optional<media::VideoCaptureFormat> video_capture_format_;
 
   base::WeakPtrFactory<VideoCaptureController> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureController);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_CONTROLLER_H_