Mojo: Make PlatformChannelRecvmsg() append handles to a deque instead.

mojo/embedder/platform_handle_vector.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/embedder/platform_handle_vector.h"
-
-namespace mojo {
-namespace embedder {
-
-void CloseAllHandles(PlatformHandleVector* platform_handles) {
-  for (PlatformHandleVector::iterator it = platform_handles->begin();
-       it != platform_handles->end();
-       ++it)
-    it->CloseIfNecessary();
-}
-
-}  // namespace embedder
-}  // namespace mojo