Add a drop shadow to the fullscreen exit bubble on windows.

chrome/browser/ui/views/notifications/balloon_view.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 "chrome/browser/ui/views/notifications/balloon_view.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 91 matching lines @@
       method_factory_(this),
       close_button_(NULL),
       animation_(NULL),
       options_menu_model_(NULL),
       options_menu_button_(NULL) {
   // This object is not to be deleted by the views hierarchy,
   // as it is owned by the balloon.
   set_parent_owned(false);
 
   views::BubbleBorder* bubble_border =
-      new views::BubbleBorder(views::BubbleBorder::FLOAT);
+      new views::BubbleBorder(views::BubbleBorder::FLOAT,
+                              views::BubbleBorder::NO_SHADOW);
   set_border(bubble_border);
 }
 
 BalloonViewImpl::~BalloonViewImpl() {
 }
 
 void BalloonViewImpl::Close(bool by_user) {
   MessageLoop::current()->PostTask(FROM_HERE,
                                    base::Bind(&BalloonViewImpl::DelayedClose,
                                               method_factory_.GetWeakPtr(),
@@ skipping 392 matching lines @@
     return;
   }
 
   // If the renderer process attached to this balloon is disconnected
   // (e.g., because of a crash), we want to close the balloon.
   notification_registrar_.Remove(
       this, chrome::NOTIFICATION_NOTIFY_BALLOON_DISCONNECTED,
       content::Source<Balloon>(balloon_));
   Close(false);
 }