Move mojo edk into mojo/edk

mojo/embedder/platform_handle_utils.h

-// 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.
-
-#ifndef MOJO_EMBEDDER_PLATFORM_HANDLE_UTILS_H_
-#define MOJO_EMBEDDER_PLATFORM_HANDLE_UTILS_H_
-
-#include "mojo/embedder/platform_handle.h"
-#include "mojo/embedder/scoped_platform_handle.h"
-#include "mojo/system/system_impl_export.h"
-
-namespace mojo {
-namespace embedder {
-
-// Closes all the |PlatformHandle|s in the given container.
-template <typename PlatformHandleContainer>
-MOJO_SYSTEM_IMPL_EXPORT inline void CloseAllPlatformHandles(
-    PlatformHandleContainer* platform_handles) {
-  for (typename PlatformHandleContainer::iterator it =
-           platform_handles->begin();
-       it != platform_handles->end();
-       ++it)
-    it->CloseIfNecessary();
-}
-
-// Duplicates the given |PlatformHandle| (which must be valid). (Returns an
-// invalid |ScopedPlatformHandle| on failure.)
-MOJO_SYSTEM_IMPL_EXPORT ScopedPlatformHandle
-    DuplicatePlatformHandle(PlatformHandle platform_handle);
-
-}  // namespace embedder
-}  // namespace mojo
-
-#endif  // MOJO_EMBEDDER_PLATFORM_HANDLE_UTILS_H_