Reland [Mojo Video Capture] Hook up video capture service behind a feature flag

content/test/BUILD.gn

 # Copyright 2014 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("//build/config/chrome_build.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 768 matching lines @@
     "//mojo/public/cpp/bindings",
     "//mojo/public/js",
     "//net:test_support",
     "//ppapi/features",
     "//services/catalog:lib",
     "//services/device/public/interfaces",
     "//services/device/public/interfaces:constants",
     "//services/service_manager/public/cpp",
     "//services/ui/gpu/interfaces",
     "//services/ui/public/cpp/gpu",
+    "//services/video_capture/public/cpp",
     "//storage/browser",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/WebKit/public:blink",
     "//third_party/leveldatabase",
     "//third_party/mesa:osmesa",
     "//third_party/zlib",
     "//ui/accessibility",
     "//ui/accessibility:ax_gen",
     "//ui/base:test_support",
@@ skipping 1057 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }