[Mojo Video Capture] Implement a VideoCaptureProvider that uses the video capture service

content/browser/BUILD.gn

Index: content/browser/BUILD.gn
diff --git a/content/browser/BUILD.gn b/content/browser/BUILD.gn
index b626316477b1e3356d7006a3a18a45c4d8b057ed..104c80163e1719de20711192d1b391d4e32568fd 100644
--- a/content/browser/BUILD.gn
+++ b/content/browser/BUILD.gn
@@ -120,6 +120,8 @@ source_set("browser") {
     "//services/shape_detection/public/interfaces",
     "//services/ui/gpu/interfaces",
     "//services/ui/public/cpp/gpu",
+    "//services/video_capture/public/cpp",
+    "//services/video_capture/public/interfaces:constants",
     "//skia",
     "//sql",
     "//storage/browser",
@@ -1186,6 +1188,12 @@ source_set("browser") {
     "renderer_host/media/media_stream_track_metrics_host.h",
     "renderer_host/media/media_stream_ui_proxy.cc",
     "renderer_host/media/media_stream_ui_proxy.h",
+    "renderer_host/media/mojo_service_launched_video_capture_device.cc",
+    "renderer_host/media/mojo_service_launched_video_capture_device.h",
+    "renderer_host/media/mojo_service_video_capture_device_launcher.cc",
+    "renderer_host/media/mojo_service_video_capture_device_launcher.h",
+    "renderer_host/media/mojo_service_video_capture_provider.cc",
+    "renderer_host/media/mojo_service_video_capture_provider.h",
     "renderer_host/media/render_frame_audio_output_stream_factory.cc",
     "renderer_host/media/render_frame_audio_output_stream_factory.h",
     "renderer_host/media/renderer_audio_output_stream_factory_context.h",