[Mojo Video Capture] Hook up connection lost events

content/browser/renderer_host/media/mock_video_capture_provider.h

 // Copyright 2017 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_MOCK_VIDEO_CAPTURE_PROVIDER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MOCK_VIDEO_CAPTURE_PROVIDER_H_
 
 #include "content/browser/renderer_host/media/video_capture_provider.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
@@ skipping 12 matching lines @@
 
   MOCK_METHOD0(CreateDeviceLauncher,
                std::unique_ptr<VideoCaptureDeviceLauncher>());
 };
 
 class MockVideoCaptureDeviceLauncher : public VideoCaptureDeviceLauncher {
  public:
   MockVideoCaptureDeviceLauncher();
   ~MockVideoCaptureDeviceLauncher() override;
 
-  MOCK_METHOD6(DoLaunchDeviceAsync,
+  MOCK_METHOD7(DoLaunchDeviceAsync,
                void(const std::string& device_id,
                     MediaStreamType stream_type,
                     const media::VideoCaptureParams& params,
                     base::WeakPtr<media::VideoFrameReceiver>* receiver,
+                    base::OnceClosure* connection_lost_cb,
                     Callbacks* callbacks,
                     base::OnceClosure* done_cb));
 
   MOCK_METHOD0(AbortLaunch, void());
 
   void LaunchDeviceAsync(const std::string& device_id,
                          MediaStreamType stream_type,
                          const media::VideoCaptureParams& params,
                          base::WeakPtr<media::VideoFrameReceiver> receiver,
+                         base::OnceClosure connection_lost_cb,
                          Callbacks* callbacks,
                          base::OnceClosure done_cb) override {
-    DoLaunchDeviceAsync(device_id, stream_type, params, &receiver, callbacks,
-                        &done_cb);
+    DoLaunchDeviceAsync(device_id, stream_type, params, &receiver,
+                        &connection_lost_cb, callbacks, &done_cb);
   }
 };
 
 class MockLaunchedVideoCaptureDevice : public LaunchedVideoCaptureDevice {
  public:
   MockLaunchedVideoCaptureDevice();
   ~MockLaunchedVideoCaptureDevice() override;
 
   MOCK_CONST_METHOD1(
       DoGetPhotoCapabilities,
@@ skipping 31 matching lines @@
 
   void SetDesktopCaptureWindowIdAsync(gfx::NativeViewId window_id,
                                       base::OnceClosure done_cb) override {
     DoSetDesktopCaptureWindowId(window_id, &done_cb);
   }
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MOCK_VIDEO_CAPTURE_PROVIDER_H_