It is time.

ui/views/layout/layout_manager.cc

Index: ui/views/layout/layout_manager.cc
diff --git a/ui/views/layout/layout_manager.cc b/ui/views/layout/layout_manager.cc
deleted file mode 100644
index 9a79ce75832b5bcbe771e7f6b40a5063abda2acd..0000000000000000000000000000000000000000
--- a/ui/views/layout/layout_manager.cc
+++ /dev/null
@@ -1,31 +0,0 @@
-// 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 "ui/views/layout/layout_manager.h"
-
-#include "ui/views/view.h"
-
-namespace views {
-
-LayoutManager::~LayoutManager() {
-}
-
-void LayoutManager::Installed(View* host) {
-}
-
-void LayoutManager::Uninstalled(View* host) {
-}
-
-int LayoutManager::GetPreferredHeightForWidth(const View* host,
-                                              int width) const {
-  return GetPreferredSize(host).height();
-}
-
-void LayoutManager::ViewAdded(View* host, View* view) {
-}
-
-void LayoutManager::ViewRemoved(View* host, View* view) {
-}
-
-}  // namespace views