Enable loading V8's initial snapshot from external files on Windows.

chrome/installer/mini_installer/chrome.release

 # Copyright (c) 2012 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.
 
 [GENERAL]
 #
 # Chrome Application dir entries, sorted alphabetically.
 #
 chrome.exe: %(ChromeDir)s\
 wow_helper.exe: %(ChromeDir)s\
@@ skipping 15 matching lines @@
 d3dcompiler_47.dll: %(VersionDir)s\
 ffmpegsumo.dll: %(VersionDir)s\
 icudt.dll: %(VersionDir)s\
 icudtl.dat: %(VersionDir)s\
 libEGL.dll: %(VersionDir)s\
 libexif.dll: %(VersionDir)s\
 libGLESv2.dll: %(VersionDir)s\
 nacl64.exe: %(VersionDir)s\
 nacl_irt_x86_32.nexe: %(VersionDir)s\
 nacl_irt_x86_64.nexe: %(VersionDir)s\
+natives_blob.bin: %(VersionDir)s\
 pdf.dll: %(VersionDir)s\
 resources.pak: %(VersionDir)s\
+snapshot_blob.bin: %(VersionDir)s\
 syzyasan_rtl.dll: %(VersionDir)s\
 xinput1_3.dll: %(VersionDir)s\
 #
 # Sub directories living in the version dir
 #
 default_apps\*.crx: %(VersionDir)s\default_apps\
 default_apps\external_extensions.json: %(VersionDir)s\default_apps\
 Extensions\*.*: %(VersionDir)s\Extensions\
 locales\*.dll: %(VersionDir)s\Locales
 locales\*.pak: %(VersionDir)s\Locales
@@ skipping 17 matching lines @@
 #
 # Win8 sub-dir.
 #
 # All or none of the following 3 files need to be present as the creation of
 # VisualElementsManifest.xml is based on the existence of
 # %(VersionDir)\VisualElements. On a similar note, no other files should be
 # packaged in this directory.
 Logo.png: %(VersionDir)s\VisualElements\
 SmallLogo.png: %(VersionDir)s\VisualElements\
 splash-620x300.png: %(VersionDir)s\VisualElements\