Eliminate a timed wait from ExportedObject::HandleMessage().

dbus/exported_object.h

 // Copyright (c) 2011 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_EXPORTED_OBJECT_H_
 #define DBUS_EXPORTED_OBJECT_H_
 #pragma once
 
 #include <string>
 #include <map>
@@ skipping 105 matching lines @@
   // BLOCKING CALL.
   bool Register();
 
   // Handles the incoming request messages and dispatches to the exported
   // methods.
   DBusHandlerResult HandleMessage(DBusConnection* connection,
                                   DBusMessage* raw_message);
 
   // Runs the method. Helper function for HandleMessage().
   void RunMethod(MethodCallCallback method_call_callback,
-                 MethodCall* method_call);
+                 MethodCall* method_call,
+                 base::TimeTicks start_time);
+
+  // Called on completion of the method run from RunMethod().
+  // Takes ownership of |method_call| and |response|.
+  void OnMethodCompleted(MethodCall* method_call,
+                         Response* response,
+                         base::TimeTicks start_time);
 
   // Called when the object is unregistered.
   void OnUnregistered(DBusConnection* connection);
 
   // Redirects the function call to HandleMessage().
   static DBusHandlerResult HandleMessageThunk(DBusConnection* connection,
                                               DBusMessage* raw_message,
                                               void* user_data);
 
   // Redirects the function call to OnUnregistered().
   static void OnUnregisteredThunk(DBusConnection* connection,
                                   void* user_data);
 
   Bus* bus_;
   std::string service_name_;
   std::string object_path_;
   bool object_is_registered_;
-  dbus::Response* response_from_method_;
-  base::WaitableEvent on_method_is_called_;
 
   // The method table where keys are absolute method names (i.e. interface
   // name + method name), and values are the corresponding callbacks.
   typedef std::map<std::string, MethodCallCallback> MethodTable;
   MethodTable method_table_;
 };
 
 }  // namespace dbus
 
 #endif  // DBUS_EXPORTED_OBJECT_H_