Move CloseHandle hook into base/debug.

chrome/app/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("//tools/grit/grit_rule.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
   android_generated_java_resources = [
     "java/res/values-am/generated_resources.xml",
@@ skipping 299 matching lines @@
   ]
 }
 
 source_set("test_support") {
   testonly = true
   visibility = [ "//chrome/test:test_support" ]
 
   sources = [
     "chrome_main_delegate.cc",
     "chrome_main_delegate.h",
-    "close_handle_hook_win.cc",
-    "close_handle_hook_win.h",
   ]
 
   deps = [
     "//base",
     "//chrome/browser",
     "//chrome/child",
     "//chrome/common",
     "//chrome/plugin",
     "//chrome/renderer",
     "//chrome/utility",
     "//content/public/app:both",
     "//content/public/common",
     "//ui/base",
   ]
 
   if (is_mac) {
     sources += [ "chrome_main_mac.mm" ]
   }
 
   if (enable_plugins && enable_nacl) {
     deps += [ "//components/nacl/renderer/plugin:nacl_trusted_plugin" ]
   }
 }