Get semantic capabilities from Print Backend.

printing/printing.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,
   },
   'targets': [
     {
@@ skipping 216 matching lines @@
           ],
         }],
         ['toolkit_uses_gtk == 0', {'sources/': [['exclude', '_gtk_unittest\\.cc$']]}],
         ['OS!="mac"', {'sources/': [['exclude', '_mac_unittest\\.(cc|mm?)$']]}],
         ['OS!="win"', {'sources/': [['exclude', '_win_unittest\\.cc$']]}],
         ['OS=="win" and use_aura == 0', {
           'sources': [
             'printing_context_win_unittest.cc',
           ]
         }],
+        ['use_cups==1', {
+          'defines': [
+            'USE_CUPS',
+          ],
+          'sources': [
+            'backend/cups_helper_unittest.cc',
+          ],
+        }],
         ['toolkit_uses_gtk == 1', {
           'dependencies': [
             '../build/linux/system.gyp:gtk',
           ],
           'conditions': [
             ['linux_use_tcmalloc == 1', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
@@ skipping 29 matching lines @@
                   '<!@(python cups_config_helper.py --cflags)',
                 ],
               }],
             ],
           },
         }],
       ],
     },
   ],
 }