Split LivenessService out from LibCrosService.

chromeos/dbus/services/liveness_service_provider.h

 // Copyright (c) 2012 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 CHROMEOS_DBUS_SERVICES_LIVENESS_SERVICE_PROVIDER_H_
 #define CHROMEOS_DBUS_SERVICES_LIVENESS_SERVICE_PROVIDER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "chromeos/chromeos_export.h"
 #include "chromeos/dbus/services/cros_dbus_service.h"
 #include "dbus/exported_object.h"
 
 namespace dbus {
 class MethodCall;
 }
 
 namespace chromeos {
 
 // This class exports a "CheckLiveness" D-Bus method that the session manager
 // calls periodically to confirm that Chrome's UI thread is responsive to D-Bus
 // messages.  It can be tested with the following command:
 //
 // % dbus-send --system --type=method_call --print-reply
-//     --dest=org.chromium.LibCrosService
-//     /org/chromium/LibCrosService
-//     org.chromium.LibCrosServiceInterface.CheckLiveness
+//     --dest=org.chromium.LivenessService
+//     /org/chromium/LivenessService
+//     org.chromium.LivenessServiceInterface.CheckLiveness
 //
 // -> method return sender=:1.9 -> dest=:1.27 reply_serial=2
 //
 // (An empty response should be returned.)
 class CHROMEOS_EXPORT LivenessServiceProvider
     : public CrosDBusService::ServiceProviderInterface {
  public:
-  LivenessServiceProvider();
+  // TODO(teravest): Remove the service_interface argument once this is no
+  // longer used by LibCrosService.
+  explicit LivenessServiceProvider(const std::string& service_interface);
   ~LivenessServiceProvider() override;
 
   // CrosDBusService::ServiceProviderInterface overrides:
   void Start(scoped_refptr<dbus::ExportedObject> exported_object) override;
 
  private:
   // Called from ExportedObject when CheckLiveness() is exported as a D-Bus
   // method or failed to be exported.
   void OnExported(const std::string& interface_name,
                   const std::string& method_name,
                   bool success);
 
   // Called on UI thread in response to a D-Bus request.
   void CheckLiveness(dbus::MethodCall* method_call,
                      dbus::ExportedObject::ResponseSender response_sender);
 
+  std::string service_interface_;
+
   // Keep this last so that all weak pointers will be invalidated at the
   // beginning of destruction.
   base::WeakPtrFactory<LivenessServiceProvider> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(LivenessServiceProvider);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_SERVICES_LIVENESS_SERVICE_PROVIDER_H_