Windows: Top-level bubbles no longer appear on taskbar by default.

ui/views/widget/widget_hwnd_utils.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/widget_hwnd_utils.h"
 
 #include <dwmapi.h>
 
 #include "base/command_line.h"
 #include "base/win/windows_version.h"
@@ skipping 104 matching lines @@
     }
     case Widget::InitParams::TYPE_CONTROL:
       *style |= WS_VISIBLE;
       break;
     case Widget::InitParams::TYPE_WINDOW_FRAMELESS:
       *style |= WS_POPUP;
       break;
     case Widget::InitParams::TYPE_BUBBLE:
       *style |= WS_POPUP;
       *style |= WS_CLIPCHILDREN;
+      if (!params.force_show_in_taskbar)
+        *ex_style |= WS_EX_TOOLWINDOW;
       break;
     case Widget::InitParams::TYPE_POPUP:
       *style |= WS_POPUP;
-      *ex_style |= WS_EX_TOOLWINDOW;
+      if (!params.force_show_in_taskbar)
+        *ex_style |= WS_EX_TOOLWINDOW;
       break;
     case Widget::InitParams::TYPE_MENU:
       *style |= WS_POPUP;
       break;
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace
@@ skipping 14 matching lines @@
   DWORD class_style = 0;
   CalculateWindowStylesFromInitParams(params, widget_delegate,
                                       native_widget_delegate, &style, &ex_style,
                                       &class_style);
   handler->set_initial_class_style(class_style);
   handler->set_window_style(handler->window_style() | style);
   handler->set_window_ex_style(handler->window_ex_style() | ex_style);
 }
 
 }  // namespace views