win: Make reading NT_IMAGE_HEADERS work cross-bitness

snapshot/win/module_snapshot_win.h

Index: snapshot/win/module_snapshot_win.h
diff --git a/snapshot/win/module_snapshot_win.h b/snapshot/win/module_snapshot_win.h
index d3ea671c71630806cf60c6bebb22d713a511692d..cd1cf0bfc5cb1c8b46ee1fba015de390185d9bd3 100644
--- a/snapshot/win/module_snapshot_win.h
+++ b/snapshot/win/module_snapshot_win.h
@@ -61,6 +61,10 @@ class ModuleSnapshotWin final : public ModuleSnapshot {
   //! \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;