Aura: Adds custom cursors for drag and drop.

ui/ui.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     'ui_resources.gypi',
@@ skipping 473 matching lines @@
             # font_gtk.cc uses fontconfig.
             '../build/linux/system.gyp:fontconfig',
             '../build/linux/system.gyp:glib',
             '../build/linux/system.gyp:pangocairo',
             '../build/linux/system.gyp:x11',
             '../build/linux/system.gyp:xext',
             '../build/linux/system.gyp:xfixes',
           ],
           'link_settings': {
             'libraries': [
+              '-lXcursor',  # For XCursor* function calls in x11_util.cc. 
               '-lXrender',  # For XRender* function calls in x11_util.cc.
             ],
           },
           'conditions': [
             ['toolkit_views==0', {
               # Note: because of gyp predence rules this has to be defined as
               # 'sources/' rather than 'sources!'.
               'sources/': [
                 ['exclude', '^base/dragdrop/drag_drop_types_gtk.cc'],
                 ['exclude', '^base/dragdrop/drag_utils_gtk.cc'],
@@ skipping 237 matching lines @@
                 'shutil.copyfile(\'<(ui_copy_target)\', \'<(ui_copy_dest)\'); ' \
                 'os.chmod(\'<(ui_copy_dest)\', 0700)'
               ]
             }
           ],
         },
       ],
     }],
   ],
 }