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

services/video_capture/video_capture_service.cc

 // 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 "services/video_capture/video_capture_service.h"
 
+#include "media/capture/video/fake_video_capture_device.h"
 #include "services/video_capture/video_capture_device_factory_impl.h"
 
 namespace {
 static const char kFakeDeviceDisplayName[] = "Fake Video Capture Device";
 static const char kFakeDeviceId[] = "FakeDeviceId";
 static const char kFakeModelId[] = "FakeModelId";
+static const float kFakeCaptureDefaultFrameRate = 20.0f;
 }
 
 namespace video_capture {
 
 VideoCaptureService::VideoCaptureService() = default;
 
 VideoCaptureService::~VideoCaptureService() = default;
 
 bool VideoCaptureService::OnConnect(const shell::Identity& remote_identity,
                                     shell::InterfaceRegistry* registry) {
@@ skipping 31 matching lines @@
   fake_device_factory_ = base::MakeUnique<VideoCaptureDeviceFactoryImpl>();
   auto fake_device_descriptor = mojom::VideoCaptureDeviceDescriptor::New();
   fake_device_descriptor->display_name = kFakeDeviceDisplayName;
   fake_device_descriptor->device_id = kFakeDeviceId;
   fake_device_descriptor->model_id = kFakeModelId;
   fake_device_descriptor->capture_api = mojom::VideoCaptureApi::UNKNOWN;
   fake_device_descriptor->transport_type =
       mojom::VideoCaptureTransportType::OTHER_TRANSPORT;
   fake_device_factory_->AddDevice(
       std::move(fake_device_descriptor),
-      base::MakeUnique<VideoCaptureDeviceProxyImpl>());
+      base::MakeUnique<VideoCaptureDeviceProxyImpl>(
+          base::MakeUnique<media::FakeVideoCaptureDevice>(
+              media::FakeVideoCaptureDevice::BufferOwnership::OWN_BUFFERS,
+              kFakeCaptureDefaultFrameRate)));
 }
 
 }  // namespace video_capture