Video Capture Mojo (1.4b): Implement ability to use fake device instance

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 b233c86dde45a7e254f59265e6e53646d14a9e4d..5778ac6c01b8c8ac5d2c4dd00886b19add7ad8ee 100644
--- a/services/video_capture/BUILD.gn
+++ b/services/video_capture/BUILD.gn
@@ -15,6 +15,7 @@ service("video_capture") {
 
   deps = [
     ":lib",
+    "//media/capture:capture",
     "//mojo/public/cpp/system",
     "//services/shell/public/cpp",
     "//services/video_capture/public/interfaces",
@@ -32,6 +33,8 @@ service_manifest("manifest") {
 
 source_set("lib") {
   sources = [
+    "device_client_mojo_to_media_adapter.cc",
+    "device_client_mojo_to_media_adapter.h",
     "video_capture_device_factory_impl.cc",
     "video_capture_device_factory_impl.h",
     "video_capture_device_proxy_impl.cc",
@@ -40,6 +43,7 @@ source_set("lib") {
 
   deps = [
     "//base",
+    "//media/mojo/common:common",
     "//mojo/common:common_base",
     "//services/shell/public/cpp",
     "//services/video_capture/public/interfaces",
@@ -48,6 +52,8 @@ source_set("lib") {
 
 test("video_capture_unittests") {
   sources = [
+    "mock_video_capture_device_client.cc",
+    "mock_video_capture_device_client.h",
     "service_unittest.cc",
   ]