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

sandbox/linux/seccomp/maps.h

-// 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.
-
-#ifndef MAPS_H__
-#define MAPS_H__
-
-#include <elf.h>
-#include <functional>
-#include <map>
-#include <string>
-
-#include "allocator.h"
-
-#if defined(__x86_64__)
-typedef Elf64_Addr Elf_Addr;
-#elif defined(__i386__)
-typedef Elf32_Addr Elf_Addr;
-#else
-#error Undefined target platform
-#endif
-
-namespace playground {
-
-class Library;
-class Maps {
-  friend class Library;
- public:
-  typedef std::basic_string<char, std::char_traits<char>,
-                            SystemAllocator<char> > string;
-
-  Maps(int proc_self_maps);
-  ~Maps() { }
-
- protected:
-  // A map with all the libraries currently loaded into the application.
-  // The key is a unique combination of device number, inode number, and
-  // file name. It should be treated as opaque.
-  typedef std::map<string, Library, std::less<string>,
-                   SystemAllocator<std::pair<const string,
-                                             Library> > > LibraryMap;
-  friend class Iterator;
-  class Iterator {
-    friend class Maps;
-
-   protected:
-    explicit Iterator(Maps* maps);
-    Iterator(Maps* maps, bool at_beginning, bool at_end);
-    Maps::LibraryMap::iterator& getIterator() const;
-
-   public:
-    Iterator begin();
-    Iterator end();
-    Iterator& operator++();
-    Iterator operator++(int i);
-    Library* operator*() const;
-    bool operator==(const Iterator& iter) const;
-    bool operator!=(const Iterator& iter) const;
-    string name() const;
-
-   protected:
-    mutable LibraryMap::iterator iter_;
-    Maps *maps_;
-    bool at_beginning_;
-    bool at_end_;
-  };
-
- public:
-  typedef class Iterator const_iterator;
-
-  const_iterator begin() {
-    return begin_iter_;
-  }
-
-  const_iterator end() {
-    return end_iter_;
-  }
-
-  char* allocNearAddr(char *addr, size_t size, int prot) const;
-
-  char* vsyscall() const { return vsyscall_; }
-
- protected:
-  const int      proc_self_maps_;
-  const Iterator begin_iter_;
-  const Iterator end_iter_;
-
-  LibraryMap     libs_;
-  char*          vsyscall_;
-};
-
-} // namespace
-
-#endif // MAPS_H__