[Mojo Video Capture] Stop service when last client disconnects.

services/video_capture/service_impl.cc

Index: services/video_capture/service_impl.cc
diff --git a/services/video_capture/service_impl.cc b/services/video_capture/service_impl.cc
deleted file mode 100644
index cb1b98d9578e46bc5bbf4a423bca9f6b24b71a80..0000000000000000000000000000000000000000
--- a/services/video_capture/service_impl.cc
+++ /dev/null
@@ -1,88 +0,0 @@
-// 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/service_impl.h"
-
-#include "base/memory/ptr_util.h"
-#include "base/message_loop/message_loop.h"
-#include "media/capture/video/fake_video_capture_device_factory.h"
-#include "media/capture/video/video_capture_buffer_pool.h"
-#include "media/capture/video/video_capture_buffer_tracker.h"
-#include "media/capture/video/video_capture_jpeg_decoder.h"
-#include "media/capture/video/video_capture_system_impl.h"
-#include "services/service_manager/public/cpp/service_info.h"
-#include "services/video_capture/device_factory_media_to_mojo_adapter.h"
-
-namespace {
-
-// TODO(chfremer): Replace with an actual decoder factory.
-// https://crbug.com/584797
-std::unique_ptr<media::VideoCaptureJpegDecoder> CreateJpegDecoder() {
-  return nullptr;
-}
-
-}  // anonymous namespace
-
-namespace video_capture {
-
-ServiceImpl::ServiceImpl() {
-  registry_.AddInterface<mojom::Service>(this);
-}
-
-ServiceImpl::~ServiceImpl() = default;
-
-void ServiceImpl::OnBindInterface(
-    const service_manager::ServiceInfo& source_info,
-    const std::string& interface_name,
-    mojo::ScopedMessagePipeHandle interface_pipe) {
-  registry_.BindInterface(source_info.identity, interface_name,
-                          std::move(interface_pipe));
-}
-
-void ServiceImpl::Create(const service_manager::Identity& remote_identity,
-                         mojom::ServiceRequest request) {
-  service_bindings_.AddBinding(this, std::move(request));
-}
-
-void ServiceImpl::ConnectToDeviceFactory(mojom::DeviceFactoryRequest request) {
-  LazyInitializeDeviceFactory();
-  factory_bindings_.AddBinding(device_factory_.get(), std::move(request));
-}
-
-void ServiceImpl::ConnectToFakeDeviceFactory(
-    mojom::DeviceFactoryRequest request) {
-  LazyInitializeFakeDeviceFactory();
-  fake_factory_bindings_.AddBinding(fake_device_factory_.get(),
-                                    std::move(request));
-}
-
-void ServiceImpl::LazyInitializeDeviceFactory() {
-  if (device_factory_)
-    return;
-
-  // Create the platform-specific device factory.
-  // Task runner does not seem to actually be used.
-  std::unique_ptr<media::VideoCaptureDeviceFactory> media_device_factory =
-      media::VideoCaptureDeviceFactory::CreateFactory(
-          base::MessageLoop::current()->task_runner());
-  auto video_capture_system = base::MakeUnique<media::VideoCaptureSystemImpl>(
-      std::move(media_device_factory));
-
-  device_factory_ = base::MakeUnique<DeviceFactoryMediaToMojoAdapter>(
-      std::move(video_capture_system), base::Bind(CreateJpegDecoder));
-}
-
-void ServiceImpl::LazyInitializeFakeDeviceFactory() {
-  if (fake_device_factory_)
-    return;
-
-  auto factory = base::MakeUnique<media::FakeVideoCaptureDeviceFactory>();
-  auto video_capture_system =
-      base::MakeUnique<media::VideoCaptureSystemImpl>(std::move(factory));
-
-  fake_device_factory_ = base::MakeUnique<DeviceFactoryMediaToMojoAdapter>(
-      std::move(video_capture_system), base::Bind(&CreateJpegDecoder));
-}
-
-}  // namespace video_capture