Add 64-bit support to browser blacklisting

chrome_elf/blacklist/blacklist_interceptions.h

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_ELF_BLACKLIST_BLACKLIST_INTERCEPTIONS_H_
 #define CHROME_ELF_BLACKLIST_BLACKLIST_INTERCEPTIONS_H_
 
 #include "sandbox/win/src/nt_internals.h"
 #include "sandbox/win/src/sandbox_types.h"
 
 namespace blacklist {
 
+#if defined(_WIN64)
+extern NtMapViewOfSectionFunction g_nt_map_view_of_section_func;
+#endif
+
 bool InitializeInterceptImports();
 
 // Interception of NtMapViewOfSection within the current process.
 // It should never be called directly. This function provides the means to
 // detect dlls being loaded, so we can patch them if needed.
 SANDBOX_INTERCEPT NTSTATUS WINAPI BlNtMapViewOfSection(
     NtMapViewOfSectionFunction orig_MapViewOfSection,
     HANDLE section,
     HANDLE process,
     PVOID *base,
     ULONG_PTR zero_bits,
     SIZE_T commit_size,
     PLARGE_INTEGER offset,
     PSIZE_T view_size,
     SECTION_INHERIT inherit,
     ULONG allocation_type,
     ULONG protect);
 
+#if defined(_WIN64)
+// Interception of NtMapViewOfSection within the current process.
+// It should never be called directly. This function provides the means to
+// detect dlls being loaded, so we can patch them if needed.
+SANDBOX_INTERCEPT NTSTATUS WINAPI BlNtMapViewOfSection64(
+    HANDLE section, HANDLE process, PVOID *base, ULONG_PTR zero_bits,
+    SIZE_T commit_size, PLARGE_INTEGER offset, PSIZE_T view_size,
+    SECTION_INHERIT inherit, ULONG allocation_type, ULONG protect);
+#endif
+
 }  // namespace blacklist
 
 #endif  // CHROME_ELF_BLACKLIST_BLACKLIST_INTERCEPTIONS_H_