Adding error handlers to setup.exe

content/app/sandbox_helper_win.cc

Index: content/app/sandbox_helper_win.cc
diff --git a/content/app/sandbox_helper_win.cc b/content/app/sandbox_helper_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6e06e5c420fd1a7e8155294d9b7b2381998f3ecf
--- /dev/null
+++ b/content/app/sandbox_helper_win.cc
@@ -0,0 +1,25 @@
+// Copyright (c) 2011 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.
+
+#include "content/public/app/sandbox_helper_win.h"
+
+#include "sandbox/win/src/process_mitigations.h"
+#include "sandbox/win/src/sandbox_factory.h"
+
+namespace content {
+
+void InitializeSandboxInfo(sandbox::SandboxInterfaceInfo* info) {
+  info->broker_services = sandbox::SandboxFactory::GetBrokerServices();
+  if (!info->broker_services) {
+    info->target_services = sandbox::SandboxFactory::GetTargetServices();
+  } else {
+    // Ensure the proper mitigations are enforced for the browser process.
+    sandbox::ApplyProcessMitigationsToCurrentProcess(
+        sandbox::MITIGATION_DEP |
+        sandbox::MITIGATION_DEP_NO_ATL_THUNK |
+        sandbox::MITIGATION_HARDEN_TOKEN_IL_POLICY);
+  }
+}
+
+}  // namespace content