Remove sandbox/win/tools.

sandbox/win/BUILD.gn

 # Copyright 2014 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.
 
 import("//testing/test.gni")
 
 # This needs to be a static library rather than a sources set because small
 # portions of this are used in some contexts (like chrome_elf), and it
 # doesnn't seem to dead-code strip very well. This saves 12K on chrome_elf.dll,
 # over a source set, for example.
@@ skipping 296 matching lines @@
   ]
 }
 
 shared_library("pocdll") {
   sources = [
     "sandbox_poc/pocdll/exports.h",
     "sandbox_poc/pocdll/fs.cc",
     "sandbox_poc/pocdll/handles.cc",
     "sandbox_poc/pocdll/invasive.cc",
     "sandbox_poc/pocdll/network.cc",
+    "sandbox_poc/pocdll/ntundoc.h",
     "sandbox_poc/pocdll/pocdll.cc",
     "sandbox_poc/pocdll/processes_and_threads.cc",
     "sandbox_poc/pocdll/registry.cc",
     "sandbox_poc/pocdll/spyware.cc",
     "sandbox_poc/pocdll/utils.h",
   ]
 
   defines = [ "POCDLL_EXPORTS" ]
 
   deps = [
     "//build/config/sanitizers:deps",
   ]
 }