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

sandbox/win/src/process_mitigations_win32k_interception.cc

Index: sandbox/win/src/process_mitigations_win32k_interception.cc
diff --git a/sandbox/win/src/process_mitigations_win32k_interception.cc b/sandbox/win/src/process_mitigations_win32k_interception.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6faf130aee0bf0181eb246c11fb0e2acd5e14570
--- /dev/null
+++ b/sandbox/win/src/process_mitigations_win32k_interception.cc
@@ -0,0 +1,28 @@
+// Copyright (c) 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,

[rvargas (doing something else), 2014/06/06 21:22:24]

Args on the next line :(

[ananta, 2014/06/06 23:57:35]

Done.

+                                 int object) {
+  return reinterpret_cast<HGDIOBJ>(1);

[rvargas (doing something else), 2014/06/06 21:22:24]

Is this the final code? Can we return NULL?

[ananta, 2014/06/06 23:57:35]

Done.

+}
+
+ATOM WINAPI TargetRegisterClassW(
+    RegisterClassWFunction orig_register_class_function,
+    const WNDCLASS* wnd_class) {
+  return TRUE;
+}
+
+}  // namespace sandbox
+