win: Use signed int as the integer representation of HANDLEs

util/win/process_info.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 40 matching lines @@
   };
 
   struct Handle {
     Handle();
     ~Handle();
 
     //! \brief A string representation of the handle's type.
     std::wstring type_name;
 
     //! \brief The handle's value.
-    uint32_t handle;
+    int handle;
 
     //! \brief The attributes for the handle, e.g. `OBJ_INHERIT`,
     //!     `OBJ_CASE_INSENSITIVE`, etc.
     uint32_t attributes;
 
     //! \brief The `ACCESS_MASK` for the handle in this process.
     //!
     //! See
     //! http://blogs.msdn.com/b/openspecification/archive/2010/04/01/about-the-access-mask-structure.aspx
     //! for more information.
@@ skipping 121 matching lines @@
 //!
 //! This is a free function for testing, but prefer
 //! ProcessInfo::GetReadableRanges().
 std::vector<CheckedRange<WinVMAddress, WinVMSize>> GetReadableRangesOfMemoryMap(
     const CheckedRange<WinVMAddress, WinVMSize>& range,
     const std::vector<MEMORY_BASIC_INFORMATION64>& memory_info);
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_UTIL_WIN_PROCESS_INFO_H_