fix some obsolete code.google.com sandbox links

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
+// https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox.md
 
 #include "sandbox/linux/suid/common/sandbox.h"
 
 #define _GNU_SOURCE
 #include <asm/unistd.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <limits.h>
 #include <sched.h>
 #include <signal.h>
@@ skipping 377 matching lines @@
     api_number = long_api_number;
   }
 
   // Warn only for now.
   if (api_number != kSUIDSandboxApiNumber) {
     fprintf(
         stderr,
         "The setuid sandbox provides API version %d, "
         "but you need %d\n"
         "Please read "
-        "https://code.google.com/p/chromium/wiki/LinuxSUIDSandboxDevelopment."
+        "https://chromium.googlesource.com/chromium/src/+/master/docs/linux_suid_sandbox_development.md."
         "\n\n",
         kSUIDSandboxApiNumber,
         api_number);
   }
 
   // Export our version so that the sandboxed process can verify it did not
   // use an old sandbox.
   char version_string[64];
   snprintf(version_string, sizeof(version_string), "%d", kSUIDSandboxApiNumber);
   if (setenv(kSandboxEnvironmentApiProvides, version_string, 1)) {
@@ skipping 59 matching lines @@
   if (!DropRoot())
     return 1;
   if (!SetupChildEnvironment())
     return 1;
 
   execv(argv[1], &argv[1]);
   FatalError("execv failed");
 
   return 1;
 }