Add flags for v2 sandbox to Chrome and Helper executable.

content/public/common/content_switches.h

 // Copyright (c) 2012 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.
 
 // Defines all the "content" command-line switches.
 
 #ifndef CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 #define CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_
 
 #include "build/build_config.h"
@@ skipping 304 matching lines @@
 CONTENT_EXPORT extern const char kPpapiAntialiasedTextEnabled[];
 CONTENT_EXPORT extern const char kPpapiSubpixelRenderingSetting[];
 CONTENT_EXPORT extern const char kTraceExportEventsToETW[];
 #endif
 
 #if defined(ENABLE_IPC_FUZZER)
 extern const char kIpcDumpDirectory[];
 extern const char kIpcFuzzerTestcase[];
 #endif
 
+#if defined(OS_MACOSX)
+extern const char kEnableV2Sandbox[];
+extern const char kV2SandboxedEnabled[];
+#endif  // defined(OS_MACOSX)
+
 // DON'T ADD RANDOM STUFF HERE. Put it in the main section above in
 // alphabetical order, or in one of the ifdefs (also in order in each section).
 
 }  // namespace switches
 
 #endif  // CONTENT_PUBLIC_COMMON_CONTENT_SWITCHES_H_