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

services/video_capture/public/interfaces/fake_video_capture_device_factory_configurator.mojom

Index: services/video_capture/public/interfaces/fake_video_capture_device_factory_configurator.mojom
diff --git a/services/video_capture/public/interfaces/fake_video_capture_device_factory_configurator.mojom b/services/video_capture/public/interfaces/fake_video_capture_device_factory_configurator.mojom
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index 0000000000000000000000000000000000000000..1d8ef279b050b08f43d6f41152257bbe2bb7f23e
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+++ b/services/video_capture/public/interfaces/fake_video_capture_device_factory_configurator.mojom
@@ -0,0 +1,16 @@
+// 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.
+
+module video_capture.mojom;
+
+import "services/video_capture/public/interfaces/video_capture_device_factory.mojom";
+
+// Allows clients to create and configure set of fake capture devices that will
+// be exposed through the fake factory offered by VideoCaptureService.
+interface FakeVideoCaptureDeviceFactoryConfigurator {
+  // Returns the descriptor under which the newly added fake device will be
+  // advertised in EnumerateDeviceDescriptors().
+  AddFakeVideoCaptureDevice()
+      => (VideoCaptureDeviceDescriptor descriptor);
+};