More aura build fixes

ui/ui.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,
     'toolkit_views2': 0,  # ui/views/ is an experimental framework on Windows.
   },
   'target_defaults': {
@@ skipping 240 matching lines @@
         'gfx/mac/nsimage_cache.h',
         'gfx/mac/nsimage_cache.mm',
         'gfx/mac/scoped_ns_disable_screen_updates.h',
         'gfx/native_theme.cc',
         'gfx/native_theme.h',
         'gfx/native_widget_types.h',
         'gfx/pango_util.h',
         'gfx/pango_util.cc',
         'gfx/path.cc',
         'gfx/path.h',
+        'gfx/path_aura.cc',
         'gfx/path_gtk.cc',
         'gfx/path_win.cc',
         'gfx/platform_font.h',
         'gfx/platform_font_pango.h',
         'gfx/platform_font_pango.cc',
         'gfx/platform_font_mac.h',
         'gfx/platform_font_mac.mm',
         'gfx/platform_font_win.h',
         'gfx/platform_font_win.cc',
         'gfx/point.cc',
@@ skipping 307 matching lines @@
                 'shutil.copyfile(\'<(ui_copy_target)\', \'<(ui_copy_dest)\'); ' \
                 'os.chmod(\'<(ui_copy_dest)\', 0700)'
               ]
             }
           ],
         },
       ],
     }],
   ],
 }