Sandbox policy and intercepts for the MITIGATION_WIN32K_DISABLE policy for renderer processes.

sandbox/win/src/process_mitigations_win32k_interception.cc

+// 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.
+
+#include "sandbox/win/src/process_mitigations_win32k_interception.h"
+
+namespace sandbox {
+
+BOOL WINAPI TargetGdiDllInitialize(
+    GdiDllInitializeFunction orig_gdi_dll_initialize,
+    HANDLE dll,
+    DWORD reason) {
+  return TRUE;
+}
+
+HGDIOBJ WINAPI TargetGetStockObject(
+    GetStockObjectFunction orig_get_stock_object,
+    int object) {
+  return reinterpret_cast<HGDIOBJ>(NULL);
+}
+
+ATOM WINAPI TargetRegisterClassW(
+    RegisterClassWFunction orig_register_class_function,
+    const WNDCLASS* wnd_class) {
+  return TRUE;
+}
+
+}  // namespace sandbox
+