Refactor the setuid sandbox client code to its own class.

base/linux_util.cc

 // 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.
 
 #include "base/linux_util.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdlib.h>
@@ skipping 108 matching lines @@
   *inode_out = inode_ul;
   return true;
 }
 
 }  // namespace
 
 namespace base {
 
 const char kFindInodeSwitch[] = "--find-inode";
 
-// This should be kept in sync with sandbox/linux/suid/sandbox.c
-const long kSUIDSandboxApiNumber = 1;
-const char kSandboxEnvironmentApiRequest[] = "SBX_CHROME_API_RQ";
-const char kSandboxEnvironmentApiProvides[] = "SBX_CHROME_API_PRV";
-
 // Account for the terminating null character.
 static const int kDistroSize = 128 + 1;
 
 // We use this static string to hold the Linux distro info. If we
 // crash, the crash handler code will send this in the crash dump.
 char g_linux_distro[kDistroSize] =
 #if defined(OS_CHROMEOS) && defined(USE_AURA)
     "CrOS Aura";
 #elif defined(OS_CHROMEOS)
     "CrOS";
@@ skipping 158 matching lines @@
 
     if (0 == strncmp(expected_data.c_str(), syscall_data.get(),
                      expected_data.length())) {
       return current_tid;
     }
   }
   return -1;
 }
 
 }  // namespace base