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

services/video_capture/test/service_test.h

 // 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.
 
 #ifndef SERVICES_VIDEO_CAPTURE_VIDEO_CAPTURE_TEST_SERVICE_TEST_H_
 #define SERVICES_VIDEO_CAPTURE_VIDEO_CAPTURE_TEST_SERVICE_TEST_H_
 
+#include "base/run_loop.h"
 #include "base/test/mock_callback.h"
+#include "mojo/public/cpp/bindings/binding.h"
 #include "services/service_manager/public/cpp/service_test.h"
+#include "services/service_manager/public/interfaces/service_manager.mojom.h"
 #include "services/video_capture/public/interfaces/service.mojom.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace video_capture {
 
+class ServiceManagerListenerImpl
+    : public service_manager::mojom::ServiceManagerListener {
+ public:
+  ServiceManagerListenerImpl(
+      service_manager::mojom::ServiceManagerListenerRequest request,
+      base::RunLoop* loop);
+  ~ServiceManagerListenerImpl() override;
+
+  // mojom::ServiceManagerListener:

[mcasas, 2017/04/26 22:12:31]

s/:/implementation.

[chfremer, 2017/04/26 23:33:36]

Done.

+  void OnInit(std::vector<service_manager::mojom::RunningServiceInfoPtr>
+                  instances) override {
+    loop_->Quit();
+  }
+  void OnServiceCreated(
+      service_manager::mojom::RunningServiceInfoPtr instance) override {}
+  void OnServiceStarted(const service_manager::Identity& identity,
+                        uint32_t pid) override {}
+  void OnServiceFailedToStart(
+      const service_manager::Identity& identity) override {}
+
+  MOCK_METHOD1(OnServiceStopped,
+               void(const service_manager::Identity& identity));
+
+ private:
+  mojo::Binding<service_manager::mojom::ServiceManagerListener> binding_;
+  base::RunLoop* loop_;
+};
+
 // Basic test fixture that sets up a connection to the fake device factory.
 class ServiceTest : public service_manager::test::ServiceTest {
  public:
   ServiceTest();
   ~ServiceTest() override;
 
   void SetUp() override;
 
  protected:
   mojom::ServicePtr service_;
   mojom::DeviceFactoryPtr factory_;
   base::MockCallback<mojom::DeviceFactory::GetDeviceInfosCallback>
       device_info_receiver_;
+  std::unique_ptr<ServiceManagerListenerImpl> service_state_observer_;
 };
 
 }  // namespace video_capture
 
 #endif  // SERVICES_VIDEO_CAPTURE_VIDEO_CAPTURE_TEST_SERVICE_TEST_H_