Add sender verification of D-Bus signals.

dbus/object_proxy.h

Index: dbus/object_proxy.h
diff --git a/dbus/object_proxy.h b/dbus/object_proxy.h
index 9642262be56e909cf099211108e6bae54cc3f09c..84f259e6d232327e76fa128c2aed3abd379dc1a2 100644
--- a/dbus/object_proxy.h
+++ b/dbus/object_proxy.h
@@ -236,6 +236,22 @@ class ObjectProxy : public base::RefCountedThreadSafe<ObjectProxy> {
                          ResponseCallback response_callback,
                          ErrorResponse* error_response);
 
+  // Add the match rule to the bus and associate the callback with the signal.

[satorux1, 2012/10/22 04:50:42]

Adds

[Haruki Sato, 2012/10/24 08:28:05]

Done.

+  bool AddMatchRuleAndCallback(std::string match_rule,

[satorux1, 2012/10/22 04:50:42]

Please use const std::string& for function parameters.

[Haruki Sato, 2012/10/24 08:28:05]

Done.
Thanks.

+                         std::string absolute_signal_name,

[satorux1, 2012/10/22 04:50:42]

indentation is off

[Haruki Sato, 2012/10/24 08:28:05]

Done.
Thanks.

+                         SignalCallback signal_callback);
+
+
+  // Add the match rule to the bus so that HandleMessage can see the signal.
+  bool AddMatchRuleWithoutCallback(std::string match_rule,
+                         std::string absolute_signal_name);

[satorux1, 2012/10/22 05:23:32]

indentation is off.

[Haruki Sato, 2012/10/24 08:28:05]

Done.

+
+  // Handle NameOwnerChanged signal from D-Bus's special message bus
+  DBusHandlerResult HandleNameOwnerChanged(dbus::Signal* signal);
+
+  // Call D-Bus's GetNameOwner method and update the owner of |service_name_|.
+  bool UpdateNameOwner();
+
   scoped_refptr<Bus> bus_;
   std::string service_name_;
   ObjectPath object_path_;
@@ -252,6 +268,8 @@ class ObjectProxy : public base::RefCountedThreadSafe<ObjectProxy> {
 
   const bool ignore_service_unknown_errors_;
 
+  std::string service_name_owner_;
+
   DISALLOW_COPY_AND_ASSIGN(ObjectProxy);
 };