Use command line to signal whether a child process was passed V8 snapshot files via file descriptor

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 218 matching lines @@
 CONTENT_EXPORT extern const char kUseMobileUserAgent[];
 CONTENT_EXPORT extern const char kUseNormalPriorityForTileTaskWorkerThreads[];
 extern const char kUseSurfaces[];
 CONTENT_EXPORT extern const char kDisableSurfaces[];
 extern const char kUtilityCmdPrefix[];
 CONTENT_EXPORT extern const char kUtilityProcess[];
 extern const char kUtilityProcessAllowedDir[];
 CONTENT_EXPORT extern const char kUtilityProcessEnableMDns[];
 CONTENT_EXPORT extern const char kUtilityProcessRunningElevated[];
 CONTENT_EXPORT extern const char kV8CacheOptions[];
+CONTENT_EXPORT extern const char kV8NativesPassedByFD[];
+CONTENT_EXPORT extern const char kV8SnapshotPassedByFD[];
 CONTENT_EXPORT extern const char kValidateInputEventStream[];
 CONTENT_EXPORT extern const char kWaitForDebuggerChildren[];
 CONTENT_EXPORT extern const char kZygoteCmdPrefix[];
 CONTENT_EXPORT extern const char kZygoteProcess[];
 
 #if defined(ENABLE_WEBRTC)
 CONTENT_EXPORT extern const char kDisableWebRtcHWDecoding[];
 CONTENT_EXPORT extern const char kDisableWebRtcEncryption[];
 CONTENT_EXPORT extern const char kDisableWebRtcHWEncoding[];
 CONTENT_EXPORT extern const char kEnableWebRtcHWH264Encoding[];
@@ skipping 48 matching lines @@
 #endif
 
 CONTENT_EXPORT extern const char kEnableNpapi[];
 
 // 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_