views: Move bubble, events, focus and layout to ui/views/.

views/layout/layout_manager.cc

-// Copyright (c) 2011 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/layout/layout_manager.h"
-
-#include "views/view.h"
-
-namespace views {
-
-LayoutManager::~LayoutManager() {
-}
-
-void LayoutManager::Installed(View* host) {
-}
-
-void LayoutManager::Uninstalled(View* host) {
-}
-
-int LayoutManager::GetPreferredHeightForWidth(View* host, int width) {
-  return GetPreferredSize(host).height();
-}
-
-void LayoutManager::ViewAdded(View* host, View* view) {
-}
-
-void LayoutManager::ViewRemoved(View* host, View* view) {
-}
-
-}  // namespace views