Move //mojo/services/X/public/... to //mojo/services/X/... (part 1).

mojo/services/files/public/c/lib/fd_table.cc

-// Copyright 2015 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 "files/public/c/lib/fd_table.h"
-
-#include <errno.h>
-
-#include <limits>
-#include <utility>
-
-#include "files/public/c/lib/errno_impl.h"
-#include "mojo/public/cpp/environment/logging.h"
-
-namespace mojio {
-
-FDTable::FDTable(ErrnoImpl* errno_impl, size_t max_num_fds)
-    : errno_impl_(errno_impl), table_(max_num_fds) {
-  MOJO_DCHECK(max_num_fds > 0);
-  // The index of the last FD has to fit into an |int|.
-  MOJO_DCHECK(max_num_fds - 1 <=
-              static_cast<size_t>(std::numeric_limits<int>::max()));
-}
-
-FDTable::~FDTable() {
-  // TODO(vtl): Warn if there are still non-null entries?
-}
-
-int FDTable::Add(std::unique_ptr<FDImpl> fd_impl) {
-  ErrnoImpl::Setter errno_setter(errno_impl_);
-  MOJO_DCHECK(fd_impl);
-
-  for (size_t i = 0; i < table_.size(); i++) {
-    if (!table_[i]) {
-      table_[i] = std::move(fd_impl);
-      return static_cast<int>(i);
-    }
-  }
-  errno_setter.Set(EMFILE);
-  return -1;
-}
-
-FDImpl* FDTable::Get(int fd) const {
-  ErrnoImpl::Setter errno_setter(errno_impl_);
-  if (fd < 0 || static_cast<size_t>(fd) >= table_.size() || !table_[fd]) {
-    errno_setter.Set(EBADF);
-    return nullptr;
-  }
-  return table_[fd].get();
-}
-
-std::unique_ptr<FDImpl> FDTable::Remove(int fd) {
-  ErrnoImpl::Setter errno_setter(errno_impl_);
-  if (fd < 0 || static_cast<size_t>(fd) >= table_.size() || !table_[fd]) {
-    errno_setter.Set(EBADF);
-    return nullptr;
-  }
-  return std::move(table_[fd]);
-}
-
-}  // namespace mojio