Remove drag_utils_linux stub.

views/views.gyp

 # 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.
 {
   'variables': {
     'chromium_code': 1,
   },
 
   'target_defaults': {
     'conditions': [
@@ skipping 240 matching lines @@
         'controls/throbber.h',
         'controls/tree/tree_view.cc',
         'controls/tree/tree_view.h',
         #'debug_utils.cc',
         #'debug_utils.h',
         'drag_controller.h',
         'drag_utils.cc',
         'drag_utils.h',
         'drag_utils_aura.cc',
         'drag_utils_gtk.cc',
-        'drag_utils_linux.cc',
         'drag_utils_win.cc',
         'events/event.cc',
         'events/event.h',
         'events/event_aura.cc',
         'events/event_gtk.cc',
         'events/event_wayland.cc',
         'events/event_win.cc',
         'events/event_x.cc',
         'focus/accelerator_handler.h',
         'focus/accelerator_handler_aura.cc',
@@ skipping 159 matching lines @@
             ['include', 'widget/tooltip_manager_views.cc'],
           ],
         }],
         ['use_aura==1', {
           'sources/': [
             ['exclude', '_(gtk|x)\\.cc$'],
             ['exclude', '/(gtk|x)_[^/]*\\.cc$'],
             ['exclude', 'controls/menu/menu_2.*'],
           ],
           'sources!': [
-            'drag_utils_linux.cc',
             'drag_utils_win.cc',
             'controls/menu/menu_config_linux.cc',
             'controls/menu/menu_item_view_linux.cc',
             'controls/menu/menu_separator_linux.cc',
             'controls/native_control.cc',
             'controls/native_control.h',
             'controls/scrollbar/bitmap_scroll_bar.cc',
             'controls/scrollbar/bitmap_scroll_bar.h',
             'controls/tabbed_pane/tabbed_pane.cc',
             'controls/tabbed_pane/tabbed_pane.h',
@@ skipping 471 matching lines @@
               'include_dirs': [
                 '../third_party/wtl/include',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }