Add NotifyServer and its test

util/mach/exc_server_variants.h

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 84 matching lines @@
   };
 
   //! \brief Constructs an object of this class.
   //!
   //! \param[in] interface The interface to dispatch requests to. Weak.
   explicit UniversalMachExcServer(Interface* interface);
 
   ~UniversalMachExcServer();
 
   // MachMessageServer::Interface:
-
   bool MachMessageServerFunction(const mach_msg_header_t* in_header,
                                  mach_msg_header_t* out_header,
                                  bool* destroy_complex_request) override;
-
   std::set<mach_msg_id_t> MachMessageServerRequestIDs() override;
-
   mach_msg_size_t MachMessageServerRequestSize() override;
   mach_msg_size_t MachMessageServerReplySize() override;
 
  private:
   scoped_ptr<internal::UniversalMachExcServerImpl> impl_;
 
   DISALLOW_COPY_AND_ASSIGN(UniversalMachExcServer);
 };
 
 //! \brief Recovers the original exception, first exception code, and signal
@@ skipping 76 matching lines @@
 //!     \a behavior is not a state-carrying behavior, or when it is a
 //!     state-carrying behavior and \a set_thread_state is `true`.
 //!     `MACH_RCV_PORT_DIED` is used when \a behavior is a state-carrying
 //!     behavior and \a set_thread_state is `false`.
 kern_return_t ExcServerSuccessfulReturnValue(exception_behavior_t behavior,
                                              bool set_thread_state);
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_MACH_EXC_SERVER_VARIANTS_H_