win: Make reading NT_IMAGE_HEADERS work cross-bitness

snapshot/win/module_snapshot_win.h

 // Copyright 2015 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 43 matching lines @@
   //! \return `true` if the snapshot could be created, `false` otherwise with
   //!     an appropriate message logged.
   bool Initialize(ProcessReaderWin* process_reader,
                   const ProcessInfo::Module& process_reader_module);
 
   //! \brief Returns options from the module's CrashpadInfo structure.
   //!
   //! \param[out] options Options set in the module's CrashpadInfo structure.
   void GetCrashpadOptions(CrashpadInfoClientOptions* options);
 
+  //! \brief Returns the PEImageReader used to read this module. Only valid
+  //!     after Initialize() is called.
+  const PEImageReader& pe_image_reader() const { return *pe_image_reader_; }
+
   // ModuleSnapshot:
 
   std::string Name() const override;
   uint64_t Address() const override;
   uint64_t Size() const override;
   time_t Timestamp() const override;
   void FileVersion(uint16_t* version_0,
                    uint16_t* version_1,
                    uint16_t* version_2,
                    uint16_t* version_3) const override;
@@ skipping 13 matching lines @@
   ProcessReaderWin* process_reader_;  // weak
   InitializationStateDcheck initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ModuleSnapshotWin);
 };
 
 }  // namespace internal
 }  // namespace crashpad
 
 #endif  // CRASHPAD_SNAPSHOT_WIN_MODULE_SNAPSHOT_WIN_H_