win: fixes for Windows x64

snapshot/win/process_reader_win.h

Index: snapshot/win/process_reader_win.h
diff --git a/snapshot/win/process_reader_win.h b/snapshot/win/process_reader_win.h
index 58a06815e4a284fe7a3327ad78169e604663a44b..1e079f0f7f98905271641efea95c2e25d9db94b7 100644
--- a/snapshot/win/process_reader_win.h
+++ b/snapshot/win/process_reader_win.h
@@ -18,6 +18,7 @@
 #include <windows.h>
 
 #include "util/misc/initialization_state_dcheck.h"
+#include "util/win/process_info.h"
 
 namespace crashpad {
 
@@ -39,10 +40,10 @@ class ProcessReaderWin {
   bool Initialize(HANDLE process);
 
   //! \return `true` if the target task is a 64-bit process.
-  bool Is64Bit() const { return is_64_bit_; }
+  bool Is64Bit() const { return process_info_.Is64Bit(); }
 
  private:
-  bool is_64_bit_;
+  ProcessInfo process_info_;
   InitializationStateDcheck initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(ProcessReaderWin);