views: Move widget/ directory to ui/views.

views/widget/child_window_message_processor.cc

-// 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.
-
-#include "views/widget/child_window_message_processor.h"
-
-#include "base/logging.h"
-#include "ui/base/view_prop.h"
-
-namespace views {
-
-static const char* const kChildWindowKey = "__CHILD_WINDOW_MESSAGE_PROCESSOR__";
-
-// static
-ui::ViewProp* ChildWindowMessageProcessor::Register(
-    HWND hwnd,
-    ChildWindowMessageProcessor* processor) {
-  DCHECK(processor);
-  return new ui::ViewProp(hwnd, kChildWindowKey, processor);
-}
-
-// static
-ChildWindowMessageProcessor* ChildWindowMessageProcessor::Get(HWND hwnd) {
-  return reinterpret_cast<ChildWindowMessageProcessor*>(
-    ui::ViewProp::GetValue(hwnd, kChildWindowKey));
-}
-
-}  // namespace