Change setters of dbus::Message to return false instead of aborting on errors

dbus/message.h

Index: dbus/message.h
diff --git a/dbus/message.h b/dbus/message.h
index 75e404547d264d479e3c4ae0eb5a24e6528477af..0b9834dd2834b7a4f4289a50ab0de2cfab48f462 100644
--- a/dbus/message.h
+++ b/dbus/message.h
@@ -90,12 +90,12 @@ class Message {
   DBusMessage* raw_message() { return raw_message_; }
 
   // Sets the destination, the path, the interface, the member, etc.
-  void SetDestination(const std::string& destination);
-  void SetPath(const ObjectPath& path);
-  void SetInterface(const std::string& interface);
-  void SetMember(const std::string& member);
-  void SetErrorName(const std::string& error_name);
-  void SetSender(const std::string& sender);
+  bool SetDestination(const std::string& destination);
+  bool SetPath(const ObjectPath& path);
+  bool SetInterface(const std::string& interface);
+  bool SetMember(const std::string& member);
+  bool SetErrorName(const std::string& error_name);
+  bool SetSender(const std::string& sender);
   void SetSerial(uint32 serial);
   void SetReplySerial(uint32 reply_serial);
   // SetSignature() does not exist as we cannot do it.