Support auto-hide taskbar for panels on Windows.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'dependencies': [
@@ skipping 2980 matching lines @@
         'browser/ui/login/login_prompt_mac.mm',
         'browser/ui/login/login_prompt_ui.cc',
         'browser/ui/login/login_prompt_win.cc',
         'browser/ui/omnibox/location_bar.h',
         'browser/ui/omnibox/location_bar_util.cc',
         'browser/ui/omnibox/location_bar_util.h',
         'browser/ui/omnibox/omnibox_view.cc',
         'browser/ui/omnibox/omnibox_view.h',
         'browser/ui/options/options_util.cc',
         'browser/ui/options/options_util.h',
+        'browser/ui/panels/bottom_bar_cocoa.mm',
+        'browser/ui/panels/bottom_bar_linux.cc',
+        'browser/ui/panels/bottom_bar_win.cc',
+        'browser/ui/panels/bottom_bar.h',
         'browser/ui/panels/native_panel.h',
         'browser/ui/panels/panel.cc',
         'browser/ui/panels/panel.h',
         'browser/ui/panels/panel_browser_frame_view.cc',
         'browser/ui/panels/panel_browser_frame_view.h',
         'browser/ui/panels/panel_browser_view.cc',
         'browser/ui/panels/panel_browser_view.h',
         'browser/ui/panels/panel_browser_window_cocoa.h',
         'browser/ui/panels/panel_browser_window_cocoa.mm',
         'browser/ui/panels/panel_browser_window_gtk.cc',
@@ skipping 2010 matching lines @@
               # weak imports in dependents, who still must #include
               # closure_blocks_leopard_compat.h to get weak imports.
               'type': 'none',
             }],
           ],
         },
       ],
     }],
   ],
 }