Move //mojo/{public, edk} underneath //third_party

mojo/edk/system/unique_identifier.cc

-// Copyright 2014 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 "mojo/edk/system/unique_identifier.h"
-
-#include <ostream>
-
-#include "base/strings/string_number_conversions.h"
-#include "crypto/random.h"
-
-namespace mojo {
-namespace system {
-
-std::ostream& operator<<(std::ostream& out,
-                         const UniqueIdentifier& unique_identifier) {
-  return out << base::HexEncode(unique_identifier.data_,
-                                sizeof(unique_identifier.data_));
-}
-
-// static
-UniqueIdentifier UniqueIdentifier::Generate() {
-  UniqueIdentifier rv;
-  crypto::RandBytes(rv.data_, sizeof(rv.data_));
-  return rv;
-}
-
-}  // namespace system
-}  // namespace mojo