Linux: bump the setuid sandbox API number

sandbox/linux/suid/sandbox.c

 // 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.
 
 // http://code.google.com/p/chromium/wiki/LinuxSUIDSandbox
 
 #include "sandbox.h"
 
 #define _GNU_SOURCE
 #include <asm/unistd.h>
@@ skipping 26 matching lines @@
 #define CLONE_NEWPID 0x20000000
 #endif
 #if !defined(CLONE_NEWNET)
 #define CLONE_NEWNET 0x40000000
 #endif
 
 static const char kSandboxDescriptorEnvironmentVarName[] = "SBX_D";
 static const char kSandboxHelperPidEnvironmentVarName[] = "SBX_HELPER_PID";
 
 // Should be kept in sync with base/linux_util.h
-static const long kSUIDSandboxApiNumber = 0;
+static const long kSUIDSandboxApiNumber = 1;
 static const char kSandboxEnvironmentApiRequest[] = "SBX_CHROME_API_RQ";
 static const char kSandboxEnvironmentApiProvides[] = "SBX_CHROME_API_PRV";
 
 // This number must be kept in sync with common/zygote_commands_linux.h
 static const int kZygoteIdFd = 7;
 
 // These are the magic byte values which the sandboxed process uses to request
 // that it be chrooted.
 static const char kMsgChrootMe = 'C';
 static const char kMsgChrootSuccessful = 'O';
@@ skipping 431 matching lines @@
   if (!DropRoot())
     return 1;
   if (!SetupChildEnvironment())
     return 1;
 
   execv(argv[1], &argv[1]);
   FatalError("execv failed");
 
   return 1;
 }