Add 64-bit support to browser blacklisting

chrome_elf/blacklist/blacklist.h

Index: chrome_elf/blacklist/blacklist.h
diff --git a/chrome_elf/blacklist/blacklist.h b/chrome_elf/blacklist/blacklist.h
index 7e01354afc5f679a5a5267129d66fcfe949d5246..5237a5c228b2a14a323a3c24743287b7ec26f306 100644
--- a/chrome_elf/blacklist/blacklist.h
+++ b/chrome_elf/blacklist/blacklist.h
@@ -5,6 +5,10 @@
 #ifndef CHROME_ELF_BLACKLIST_BLACKLIST_H_
 #define CHROME_ELF_BLACKLIST_BLACKLIST_H_
 
+#if defined(_WIN64)
+#include "sandbox/win/src/sandbox_nt_types.h"
+#endif
+
 namespace blacklist {
 
 // Max size of the DLL blacklist.
@@ -37,6 +41,10 @@ enum BlacklistState {
   BLACKLIST_STATE_MAX,
 };
 
+#if defined(_WIN64)
+extern NtMapViewOfSectionFunction g_nt_map_view_of_section_func;
+#endif
+
 // Attempts to leave a beacon in the current user's registry hive.
 // If the blacklist beacon doesn't say it is enabled or there are any other
 // errors when creating the beacon, returns false. Otherwise returns true.