aura: Draw drop shadows under browsers and menus.

views/widget/native_widget_aura.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 "views/widget/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/string_util.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/drag_drop_client.h"
+#include "ui/aura/client/shadow_types.h"
 #include "ui/aura/desktop.h"
 #include "ui/aura/desktop_observer.h"
 #include "ui/aura/event.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_types.h"
 #include "ui/base/dragdrop/os_exchange_data.h"
 #include "ui/base/ui_base_types.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/compositor/layer.h"
 #include "ui/gfx/font.h"
@@ skipping 132 matching lines @@
   window_->set_ignore_events(!params.accept_events);
   // TODO(beng): do this some other way.
   delegate_->OnNativeWidgetSizeChanged(params.bounds.size());
   can_activate_ = params.can_activate;
   DCHECK(GetWidget()->GetRootView());
   if (params.type != Widget::InitParams::TYPE_TOOLTIP && !params.child) {
     views::TooltipManagerViews* manager = new views::TooltipManagerViews(
         GetWidget()->GetRootView());
     tooltip_manager_.reset(manager);
   }
+
   drop_helper_.reset(new DropHelper(GetWidget()->GetRootView()));
   if (params.type != Widget::InitParams::TYPE_TOOLTIP &&
       params.type != Widget::InitParams::TYPE_POPUP) {
     window_->SetProperty(aura::kDragDropDelegateKey,
         static_cast<aura::WindowDragDropDelegate*>(this));
   }
+
+  if (window_type == Widget::InitParams::TYPE_MENU)
+    window_->SetIntProperty(aura::kShadowTypeKey,
+                            aura::SHADOW_TYPE_RECTANGULAR);
 }
 
 NonClientFrameView* NativeWidgetAura::CreateNonClientFrameView() {
   return NULL;
 }
 
 void NativeWidgetAura::UpdateFrameAfterFrameChange() {
   // We don't support changing the frame type.
   NOTREACHED();
 }
@@ skipping 606 matching lines @@
   NOTIMPLEMENTED();
 }
 
 // static
 bool NativeWidgetPrivate::IsMouseButtonDown() {
   return aura::Desktop::GetInstance()->IsMouseButtonDown();
 }
 
 }  // namespace internal
 }  // namespace views