It is time.

ui/wm/public/tooltip_client.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/wm/public/tooltip_client.h"
-
-#include "ui/aura/window.h"
-#include "ui/aura/window_property.h"
-
-DECLARE_WINDOW_PROPERTY_TYPE(aura::client::TooltipClient*)
-DECLARE_WINDOW_PROPERTY_TYPE(base::string16*)
-DECLARE_WINDOW_PROPERTY_TYPE(void**)
-
-namespace aura {
-namespace client {
-
-DEFINE_LOCAL_WINDOW_PROPERTY_KEY(
-    TooltipClient*, kRootWindowTooltipClientKey, NULL);
-DEFINE_LOCAL_WINDOW_PROPERTY_KEY(base::string16*, kTooltipTextKey, NULL);
-DEFINE_LOCAL_WINDOW_PROPERTY_KEY(void*, kTooltipIdKey, NULL);
-
-void SetTooltipClient(Window* root_window, TooltipClient* client) {
-  DCHECK_EQ(root_window->GetRootWindow(), root_window);
-  root_window->SetProperty(kRootWindowTooltipClientKey, client);
-}
-
-TooltipClient* GetTooltipClient(Window* root_window) {
-  if (root_window)
-    DCHECK_EQ(root_window->GetRootWindow(), root_window);
-  return root_window ?
-      root_window->GetProperty(kRootWindowTooltipClientKey) : NULL;
-}
-
-void SetTooltipText(Window* window, base::string16* tooltip_text) {
-  window->SetProperty(kTooltipTextKey, tooltip_text);
-}
-
-void SetTooltipId(Window* window, void* id) {
-  window->SetProperty(kTooltipIdKey, id);
-}
-
-const base::string16 GetTooltipText(Window* window) {
-  base::string16* string_ptr = window->GetProperty(kTooltipTextKey);
-  return string_ptr ? *string_ptr : base::string16();
-}
-
-const void* GetTooltipId(Window* window) {
-  return window->GetProperty(kTooltipIdKey);
-}
-
-}  // namespace client
-}  // namespace aura