It is time.

ui/views/focus/focus_manager_factory.cc

-// Copyright (c) 2012 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/focus/focus_manager_factory.h"
-
-#include "base/compiler_specific.h"
-#include "ui/views/focus/focus_manager.h"
-
-namespace views {
-
-namespace {
-
-class DefaultFocusManagerFactory : public FocusManagerFactory {
- public:
-  DefaultFocusManagerFactory() : FocusManagerFactory() {}
-  virtual ~DefaultFocusManagerFactory() {}
-
- protected:
-  virtual FocusManager* CreateFocusManager(Widget* widget,
-                                           bool desktop_widget) override {
-    return new FocusManager(widget, NULL /* delegate */);
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DefaultFocusManagerFactory);
-};
-
-FocusManagerFactory* focus_manager_factory = NULL;
-
-}  // namespace
-
-FocusManagerFactory::FocusManagerFactory() {
-}
-
-FocusManagerFactory::~FocusManagerFactory() {
-}
-
-// static
-FocusManager* FocusManagerFactory::Create(Widget* widget,
-                                          bool desktop_widget) {
-  if (!focus_manager_factory)
-    focus_manager_factory = new DefaultFocusManagerFactory();
-  return focus_manager_factory->CreateFocusManager(widget, desktop_widget);
-}
-
-// static
-void FocusManagerFactory::Install(FocusManagerFactory* f) {
-  if (f == focus_manager_factory)
-    return;
-  delete focus_manager_factory;
-  focus_manager_factory = f ? f : new DefaultFocusManagerFactory();
-}
-
-}  // namespace views