Add ConstThreadState to mach_extensions.h and use it everywhere

snapshot/mac/process_snapshot_mac.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 19 matching lines @@
 #include "snapshot/mac/crashpad_info_client_options.h"
 #include "snapshot/mac/exception_snapshot_mac.h"
 #include "snapshot/mac/module_snapshot_mac.h"
 #include "snapshot/mac/process_reader.h"
 #include "snapshot/mac/system_snapshot_mac.h"
 #include "snapshot/mac/thread_snapshot_mac.h"
 #include "snapshot/module_snapshot.h"
 #include "snapshot/process_snapshot.h"
 #include "snapshot/system_snapshot.h"
 #include "snapshot/thread_snapshot.h"
+#include "util/mach/mach_extensions.h"
 #include "util/misc/initialization_state_dcheck.h"
 #include "util/misc/uuid.h"
 #include "util/stdlib/pointer_container.h"
 
 namespace crashpad {
 
 //! \brief A ProcessSnapshot of a running (or crashed) process running on a Mac
 //!     OS X system.
 class ProcessSnapshotMac final : public ProcessSnapshot {
  public:
@@ skipping 17 matching lines @@
   //! Initialize().
   //!
   //! \return `true` if the exception information could be initialized, `false`
   //!     otherwise with an appropriate message logged. When this method returns
   //!     `false`, the ProcessSnapshotMac object’s validity remains unchanged.
   bool InitializeException(thread_t exception_thread,
                            exception_type_t exception,
                            const mach_exception_data_type_t* code,
                            mach_msg_type_number_t code_count,
                            thread_state_flavor_t flavor,
-                           const natural_t* state,
+                           ConstThreadState state,
                            mach_msg_type_number_t state_count);
 
   //! \brief Sets the value to be returned by ReportID().
   //!
   //! On Mac OS X, the crash report ID is under the control of the snapshot
   //! producer, which may call this method to set the report ID. If this is not
   //! done, ReportID() will return an identifier consisting entirely of zeroes.
   void SetReportID(const UUID& report_id) { report_id_ = report_id; }
 
   //! \brief Sets the value to be returned by ClientID().
@@ skipping 54 matching lines @@
   std::map<std::string, std::string> annotations_simple_map_;
   timeval snapshot_time_;
   InitializationStateDcheck initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessSnapshotMac);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_SNAPSHOT_MAC_PROCESS_SNAPSHOT_MAC_H_