DBus: Use TaskRunners instead of MessageLoopProxies.

dbus/test_service.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 DBUS_TEST_SERVICE_H_
 #define DBUS_TEST_SERVICE_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread.h"
 #include "base/synchronization/waitable_event.h"
 #include "dbus/exported_object.h"
 
 namespace base {
-class MessageLoopProxy;
+class SequencedTaskRunner;
 }
 
 namespace dbus {
 
 class Bus;
 class MethodCall;
 class Response;
 
 // The test service is used for end-to-end tests.  The service runs in a
 // separate thread, so it does not interfere the test code that runs in
 // the main thread.
 //
 // The test service exports an object with methods such as Echo() and
 // SlowEcho(). The object has ability to send "Test" signal.
 class TestService : public base::Thread {
  public:
   // Options for the test service.
   struct Options {
     Options();
     ~Options();
 
     // NULL by default (i.e. don't use the D-Bus thread).
-    scoped_refptr<base::MessageLoopProxy> dbus_thread_message_loop_proxy;
+    scoped_refptr<base::SequencedTaskRunner> dbus_task_runner;
   };
 
   // The number of methods we'll export.
   static const int kNumMethodsToExport;
 
-  TestService(const Options& options);
+  explicit TestService(const Options& options);
   virtual ~TestService();
 
   // Starts the service in a separate thread.
   // Returns true if the thread is started successfully.
   bool StartService();
 
   // Waits until the service is started (i.e. all methods are exported).
   // Returns true on success.
   bool WaitUntilServiceIsStarted() WARN_UNUSED_RESULT;
 
@@ skipping 81 matching lines @@
 
   // Sends a property changed signal for the name property.
   void SendPropertyChangedSignal(const std::string& name);
 
   // Helper function for SendPropertyChangedSignal().
   void SendPropertyChangedSignalInternal(const std::string& name);
 
   // Helper function for RequestOwnership().
   void RequestOwnershipInternal(base::Callback<void(bool)> callback);
 
-  scoped_refptr<base::MessageLoopProxy> dbus_thread_message_loop_proxy_;
+  scoped_refptr<base::SequencedTaskRunner> dbus_task_runner_;
   base::WaitableEvent on_all_methods_exported_;
   // The number of methods actually exported.
   int num_exported_methods_;
 
   // True iff this instance has successfully acquired the name ownership.
   bool has_ownership_;
 
   scoped_refptr<Bus> bus_;
   ExportedObject* exported_object_;
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_TEST_SERVICE_H_