Let clients interact with VideoCaptureDeviceClient instead of VideoCaptureDevice

services/video_capture/BUILD.gn

Index: services/video_capture/BUILD.gn
diff --git a/services/video_capture/BUILD.gn b/services/video_capture/BUILD.gn
index 14ee313f6b044747a7202ff4392bd29fbcd9c836..e5f17a75491f09790ac0c0e0c45763bf819e5ae4 100644
--- a/services/video_capture/BUILD.gn
+++ b/services/video_capture/BUILD.gn
@@ -33,12 +33,18 @@ service_manifest("manifest") {
 
 source_set("lib") {
   sources = [
+    "buffer_tracker_factory_impl.cc",
+    "buffer_tracker_factory_impl.h",
     "device_client_media_to_mojo_adapter.cc",
     "device_client_media_to_mojo_adapter.h",
-    "device_client_mojo_to_media_adapter.cc",
-    "device_client_mojo_to_media_adapter.h",
     "device_mock_to_media_adapter.cc",
     "device_mock_to_media_adapter.h",
+    "mojo_shared_memory_buffer_handle.cc",
+    "mojo_shared_memory_buffer_handle.h",
+    "mojo_shared_memory_buffer_tracker.cc",
+    "mojo_shared_memory_buffer_tracker.h",
+    "receiver_mojo_to_media_adapter.cc",
+    "receiver_mojo_to_media_adapter.h",
     "video_capture_device_factory_impl.cc",
     "video_capture_device_factory_impl.h",
     "video_capture_device_proxy_impl.cc",
@@ -47,6 +53,7 @@ source_set("lib") {
 
   deps = [
     "//base",
+    "//media",
     "//media/capture:capture",
     "//media/mojo/common:common",
     "//media/mojo/interfaces:image_capture",
@@ -69,10 +76,10 @@ test("video_capture_unittests") {
     "mock_device_video_capture_service_test.cc",
     "mock_device_video_capture_service_test.h",
     "mock_device_video_capture_service_unittest.cc",
-    "mock_video_capture_device_client.cc",
-    "mock_video_capture_device_client.h",
     "mock_video_capture_device_impl.cc",
     "mock_video_capture_device_impl.h",
+    "mock_video_frame_receiver.cc",
+    "mock_video_frame_receiver.h",
     "video_capture_service_test.cc",
     "video_capture_service_test.h",
     "video_capture_service_unittest.cc",