Replace manual conversions with Mojo type mappings

services/video_capture/BUILD.gn

 # Copyright 2016 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.
 
 import("//services/shell/public/cpp/service.gni")
 import("//services/shell/public/service_manifest.gni")
 import("//testing/test.gni")
 
 service("video_capture") {
   sources = [
@@ skipping 25 matching lines @@
     "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_factory_media_to_mojo_adapter.cc",
     "device_factory_media_to_mojo_adapter.h",
     "device_mock_to_media_adapter.cc",
     "device_mock_to_media_adapter.h",
     "mock_device_factory.cc",
     "mock_device_factory.h",
-    "mojo_media_conversions.cc",
-    "mojo_media_conversions.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_proxy_impl.cc",
     "video_capture_device_proxy_impl.h",
   ]
 
@@ skipping 30 matching lines @@
     "mock_video_frame_receiver.h",
     "video_capture_service_test.cc",
     "video_capture_service_test.h",
     "video_capture_service_unittest.cc",
   ]
 
   deps = [
     ":video_capture",
     "//base",
     "//base/test:test_support",
+    "//media/capture:capture",
     "//media/mojo/common:common",
     "//services/shell/public/cpp",
     "//services/shell/public/cpp:service_test_support",
     "//services/shell/public/cpp/test:run_all_shelltests",
     "//services/video_capture/public/interfaces",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/gfx:test_support",
   ]
 
   data_deps = [
     ":unittest_manifest",
   ]
 }
 
 service_manifest("unittest_manifest") {
   name = "video_capture_unittests"
   source = "service_unittest_manifest.json"
 }