[Mojo Video Capture] Create abstraction VideoCaptureProvider

content/browser/BUILD.gn

Index: content/browser/BUILD.gn
diff --git a/content/browser/BUILD.gn b/content/browser/BUILD.gn
index 4f01a125b4729010f0ad94f5f5e0baf83e2880bb..2372adf40ff9ccbe45618465063b1fff6d740c25 100644
--- a/content/browser/BUILD.gn
+++ b/content/browser/BUILD.gn
@@ -1152,9 +1152,10 @@ source_set("browser") {
     "renderer_host/media/audio_renderer_host.h",
     "renderer_host/media/audio_sync_reader.cc",
     "renderer_host/media/audio_sync_reader.h",
-    "renderer_host/media/buildable_video_capture_device.h",
     "renderer_host/media/in_process_buildable_video_capture_device.cc",
     "renderer_host/media/in_process_buildable_video_capture_device.h",
+    "renderer_host/media/in_process_video_capture_provider.cc",
+    "renderer_host/media/in_process_video_capture_provider.h",
     "renderer_host/media/media_capture_devices_impl.cc",
     "renderer_host/media/media_capture_devices_impl.h",
     "renderer_host/media/media_devices_dispatcher_host.cc",
@@ -1185,6 +1186,7 @@ source_set("browser") {
     "renderer_host/media/video_capture_host.h",
     "renderer_host/media/video_capture_manager.cc",
     "renderer_host/media/video_capture_manager.h",
+    "renderer_host/media/video_capture_provider.h",
     "renderer_host/native_web_keyboard_event_aura.cc",
     "renderer_host/native_web_keyboard_event_mac.mm",
     "renderer_host/offscreen_canvas_compositor_frame_sink.cc",