Pull seccomp-sandbox in via DEPS rather than using an in-tree copy...

chrome/browser/zygote_main_linux.cc

 // Copyright (c) 2010 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 <dlfcn.h>
 #include <fcntl.h>
 #include <sys/epoll.h>
 #include <sys/prctl.h>
 #include <sys/signal.h>
 #include <sys/socket.h>
@@ skipping 28 matching lines @@
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/main_function_params.h"
 #include "chrome/common/pepper_plugin_registry.h"
 #include "chrome/common/process_watcher.h"
 #include "chrome/common/sandbox_methods_linux.h"
 
 #include "media/base/media.h"
 
 #include "skia/ext/SkFontHost_fontconfig_control.h"
 
-#include "sandbox/linux/seccomp/sandbox.h"
+#include "seccompsandbox/sandbox.h"
 
 #include "unicode/timezone.h"
 
 #if defined(ARCH_CPU_X86_FAMILY) && !defined(CHROMIUM_SELINUX)
 // The seccomp sandbox is enabled on all ia32 and x86-64 processor as long as
 // we aren't using SELinux.
 #define SECCOMP_SANDBOX
 #endif
 
 // http://code.google.com/p/chromium/wiki/LinuxZygote
@@ skipping 630 matching lines @@
       LOG(INFO) << "Enabling experimental Seccomp sandbox.";
       sandbox_flags |= ZygoteHost::kSandboxSeccomp;
     }
   }
 #endif  // SECCOMP_SANDBOX
 
   Zygote zygote(sandbox_flags);
   // This function call can return multiple times, once per fork().
   return zygote.ProcessRequests();
 }