[Windows Sandbox] MITIGATION_EXTENSION_POINT_DISABLE support for children.

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 187 matching lines @@
     "src/registry_policy_test.cc",
     "src/restricted_token_test.cc",
     "src/sync_policy_test.cc",
     "src/sync_policy_test.h",
     "src/unload_dll_test.cc",
     "tests/common/controller.cc",
     "tests/common/controller.h",
     "tests/common/test_utils.cc",
     "tests/common/test_utils.h",
     "tests/integration_tests/integration_tests.cc",
+    "tests/integration_tests/integration_tests_common.h",
     "tests/integration_tests/integration_tests_test.cc",
   ]
 
   deps = [
     ":sandbox",
+    ":sbox_integration_test_hook_dll",
+    ":sbox_integration_test_win_proc",
     "//base/test:test_support",
     "//testing/gtest",
   ]
 
   libs = [ "dxva2.lib" ]
 }
 
+loadable_module("sbox_integration_test_hook_dll") {
+  sources = [
+    "tests/integration_tests/hooking_dll.cc",
+    "tests/integration_tests/integration_tests_common.h",
+  ]
+}
+
+executable("sbox_integration_test_win_proc") {
+  sources = [
+    "tests/integration_tests/hooking_win_proc.cc",
+    "tests/integration_tests/integration_tests_common.h",
+  ]
+
+  configs -= [ "//build/config/win:console" ]
+  configs += [ "//build/config/win:windowed" ]
+}
+
 test("sbox_validation_tests") {
   sources = [
     "tests/common/controller.cc",
     "tests/common/controller.h",
     "tests/validation_tests/commands.cc",
     "tests/validation_tests/commands.h",
     "tests/validation_tests/suite.cc",
     "tests/validation_tests/unit_tests.cc",
   ]
 
@@ skipping 67 matching lines @@
     "sandbox_poc/pocdll/spyware.cc",
     "sandbox_poc/pocdll/utils.h",
   ]
 
   defines = [ "POCDLL_EXPORTS" ]
 
   deps = [
     "//build/config/sanitizers:deps",
   ]
 }