win: Save contents of TEBs allowing !teb and !gle to work in windbg

snapshot/win/process_reader_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 30 matching lines @@
  public:
   //! \brief Contains information about a thread that belongs to a process.
   struct Thread {
     Thread();
     ~Thread() {}
 
     union {
       CONTEXT native;
 #if defined(ARCH_CPU_64_BITS)
       WOW64_CONTEXT wow64;
-#endif;
+#endif
     } context;
     uint64_t id;
-    WinVMAddress teb;
+    WinVMAddress teb_address;
+    WinVMSize teb_size;
     WinVMAddress stack_region_address;
     WinVMSize stack_region_size;
     uint32_t suspend_count;
     uint32_t priority_class;
     uint32_t priority;
   };
 
   ProcessReaderWin();
   ~ProcessReaderWin();
 
@@ skipping 58 matching lines @@
   ProcessSuspensionState suspension_state_;
   bool initialized_threads_;
   InitializationStateDcheck initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessReaderWin);
 };
 
 }  // namespace crashpad
 
 #endif  // CRASHPAD_SNAPSHOT_WIN_PROCESS_READER_WIN_H_