Shell related switches -> aura shell switches.

ui/aura/client/tooltip_client.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 "ui/aura/client/tooltip_client.h"
 
-#include "ui/aura/client/aura_constants.h"
 #include "ui/aura/root_window.h"
 
 namespace aura {
 namespace client {
 
+const char kRootWindowTooltipClientKey[] = "RootWindowTooltipClient";
+const char kTooltipTextKey[] = "TooltipText";
+
 void SetTooltipClient(TooltipClient* client) {
   RootWindow::GetInstance()->SetProperty(kRootWindowTooltipClientKey, client);
 }
 
 TooltipClient* GetTooltipClient() {
   return reinterpret_cast<TooltipClient*>(
       RootWindow::GetInstance()->GetProperty(kRootWindowTooltipClientKey));
 }
 
 void SetTooltipText(Window* window, string16* tooltip_text) {
   window->SetProperty(kTooltipTextKey, tooltip_text);
 }
 
 string16* GetTooltipText(Window* window) {
   return reinterpret_cast<string16*>(window->GetProperty(kTooltipTextKey));
 }
 
 }  // namespace client
 }  // namespace aura