[Mojo Video Capture] Hook up connection lost events

content/browser/renderer_host/media/video_capture_manager.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_MANAGER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 165 matching lines @@
   using EnumerationCallback =
       base::Callback<void(const media::VideoCaptureDeviceDescriptors&)>;
   // Asynchronously obtains descriptors for the available devices.
   // As a side-effect, updates |devices_info_cache_|.
   void EnumerateDevices(const EnumerationCallback& client_callback);
 
   // VideoCaptureDeviceLaunchObserver implementation:
   void OnDeviceLaunched(VideoCaptureController* controller) override;
   void OnDeviceLaunchFailed(VideoCaptureController* controller) override;
   void OnDeviceLaunchAborted() override;
+  void OnDeviceConnectionLost(VideoCaptureController* controller) override;
 
   // Retrieves camera calibration information for a particular device. Returns
   // nullopt_t if the |device_id| is not found or camera calibration information
   // is not available for the device.  Camera calibration is cached during
   // device(s) enumeration.
   base::Optional<CameraCalibration> GetCameraCalibration(
       const std::string& device_id);
 
  private:
   class CaptureDeviceStartRequest;
@@ skipping 100 matching lines @@
   // Map used by DesktopCapture.
   std::map<media::VideoCaptureSessionId, gfx::NativeViewId>
       notification_window_ids_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoCaptureManager);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_VIDEO_CAPTURE_MANAGER_H_