chrome: dbus: support asynchronous method replies

dbus/test_service.h

Index: dbus/test_service.h
diff --git a/dbus/test_service.h b/dbus/test_service.h
index 3ea40db8b66decf4149fb729c596bfe135b17224..6d2540850e5f087af9c2d00443b7952d4aa4ad45 100644
--- a/dbus/test_service.h
+++ b/dbus/test_service.h
@@ -10,6 +10,7 @@
 #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;
@@ -18,7 +19,6 @@ class MessageLoopProxy;
 namespace dbus {
 
 class Bus;
-class ExportedObject;
 class MethodCall;
 class Response;
 
@@ -89,14 +89,22 @@ class TestService : public base::Thread {
   //
 
   // Echos the text message received from the method call.
-  Response* Echo(MethodCall* method_call);
+  void Echo(MethodCall* method_call,
+            dbus::ExportedObject::ResponseSender response_sender);
 
   // Echos the text message received from the method call, but sleeps for
   // TestTimeouts::tiny_timeout_ms() before returning the response.
-  Response* SlowEcho(MethodCall* method_call);
+  void SlowEcho(MethodCall* method_call,
+                dbus::ExportedObject::ResponseSender response_sender);
+
+  // Echos the text message received from the method call, but sends its
+  // response asynchronously after this callback has returned.
+  void AsyncEcho(MethodCall* method_call,
+                 dbus::ExportedObject::ResponseSender response_sender);
 
   // Returns NULL, instead of a valid Response.
-  Response* BrokenMethod(MethodCall* method_call);
+  void BrokenMethod(MethodCall* method_call,
+                    dbus::ExportedObject::ResponseSender response_sender);
 
   scoped_refptr<base::MessageLoopProxy> dbus_thread_message_loop_proxy_;
   base::WaitableEvent on_all_methods_exported_;