[Cleanup] Remove mac code from aura/ash/views

ui/views/widget/native_widget_aura.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/widget/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/strings/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/activation_client.h"
@@ skipping 151 matching lines @@
   // state/bounds).
   if (IsMaximized())
     SetRestoreBounds(window_, window_bounds);
   else
     SetBounds(window_bounds);
   window_->set_ignore_events(!params.accept_events);
   can_activate_ = params.can_activate &&
       params.type != Widget::InitParams::TYPE_CONTROL &&
       params.type != Widget::InitParams::TYPE_TOOLTIP;
   DCHECK(GetWidget()->GetRootView());
-#if !defined(OS_MACOSX)
   if (params.type != Widget::InitParams::TYPE_TOOLTIP)
     tooltip_manager_.reset(new views::TooltipManagerAura(window_, GetWidget()));
-#endif  // !defined(OS_MACOSX)
 
   drop_helper_.reset(new DropHelper(GetWidget()->GetRootView()));
   if (params.type != Widget::InitParams::TYPE_TOOLTIP &&
       params.type != Widget::InitParams::TYPE_POPUP) {
     aura::client::SetDragDropDelegate(window_, this);
   }
 
   aura::client::SetActivationDelegate(window_, this);
 
   window_->SetProperty(aura::client::kCanMaximizeKey,
@@ skipping 942 matching lines @@
   return aura::Env::GetInstance()->is_mouse_button_down();
 }
 
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 }  // namespace internal
 }  // namespace views