Video Capture Mojo (1.4a.a): Add service configurator interface

services/video_capture/fake_video_capture_device_factory_configurator_impl.cc

Index: services/video_capture/fake_video_capture_device_factory_configurator_impl.cc
diff --git a/services/video_capture/fake_video_capture_device_factory_configurator_impl.cc b/services/video_capture/fake_video_capture_device_factory_configurator_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..86a5d0f80759cfcfa385cd8f142b07863b5a8336
--- /dev/null
+++ b/services/video_capture/fake_video_capture_device_factory_configurator_impl.cc
@@ -0,0 +1,21 @@
+// 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.
+
+#include "base/logging.h"
+#include "services/video_capture/fake_video_capture_device_factory_configurator_impl.h"
+
+namespace video_capture {
+
+FakeVideoCaptureDeviceFactoryConfiguratorImpl::
+    FakeVideoCaptureDeviceFactoryConfiguratorImpl(
+        VideoCaptureDeviceFactoryImpl* factory)
+    : factory_(factory) {}
+
+void FakeVideoCaptureDeviceFactoryConfiguratorImpl::AddFakeVideoCaptureDevice(
+    const AddFakeVideoCaptureDeviceCallback& callback) {
+  auto descriptor = factory_->AddFakeVideoCaptureDevice();
+  callback.Run(std::move(descriptor));
+}
+
+}  // namespace video_capture