Remove Tabpose feature on mac, and supporting infrastructure (PaintAtSize)

chrome/chrome_browser_ui.gypi

 # Copyright 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.
 
 {
   'targets': [
     {
       'target_name': 'browser_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 1019 matching lines @@
         'browser/ui/cocoa/tab_contents/sad_tab_view.h',
         'browser/ui/cocoa/tab_contents/sad_tab_view.mm',
         'browser/ui/cocoa/tab_contents/tab_contents_controller.h',
         'browser/ui/cocoa/tab_contents/tab_contents_controller.mm',
         'browser/ui/cocoa/tab_contents/web_drag_bookmark_handler_mac.h',
         'browser/ui/cocoa/tab_contents/web_drag_bookmark_handler_mac.mm',
         'browser/ui/cocoa/tab_modal_confirm_dialog_mac.h',
         'browser/ui/cocoa/tab_modal_confirm_dialog_mac.mm',
         'browser/ui/cocoa/table_row_nsimage_cache.h',
         'browser/ui/cocoa/table_row_nsimage_cache.mm',
-        'browser/ui/cocoa/tabpose_window.h',
-        'browser/ui/cocoa/tabpose_window.mm',
         'browser/ui/cocoa/tabs/dock_info_mac.cc',
         'browser/ui/cocoa/tabs/media_indicator_view.h',
         'browser/ui/cocoa/tabs/media_indicator_view.mm',
         'browser/ui/cocoa/tabs/tab_controller.h',
         'browser/ui/cocoa/tabs/tab_controller.mm',
         'browser/ui/cocoa/tabs/tab_strip_controller.h',
         'browser/ui/cocoa/tabs/tab_strip_controller.mm',
         'browser/ui/cocoa/tabs/tab_strip_drag_controller.h',
         'browser/ui/cocoa/tabs/tab_strip_drag_controller.mm',
         'browser/ui/cocoa/tabs/tab_strip_model_observer_bridge.h',
@@ skipping 2352 matching lines @@
             'browser/ui/webui/local_discovery/local_discovery_ui.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui.h',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.h',
           ],
         }],
       ],
     },
   ],
 }