Add test for TextEditCommandAuraLinux::GetCommandString.

ui/base/ui_base_tests.gyp

 # Copyright 2013 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 109 matching lines @@
               },
               'includes': [ '../../build/copy_test_data_ios.gypi' ],
             },
           ],
         }],
         ['OS == "linux" and use_aura==1 and chromeos==0', {
           'sources': [
             'ime/input_method_auralinux_unittest.cc',
           ]
         }],
+        ['OS == "linux" and chromeos==0', {
+          'sources': [
+            'ime/linux/text_edit_command_auralinux_unittest.cc',
+          ],
+          'dependencies': [
+            '../../third_party/WebKit/public/blink_headers.gyp:blink_headers',
+          ]
+        }],
         ['OS == "win"', {
           'sources': [
             'dragdrop/os_exchange_data_win_unittest.cc',
             'win/hwnd_subclass_unittest.cc',
             'win/open_file_name_win_unittest.cc',
             'win/osk_display_manager_unittest.cc',
           ],
           'msvs_settings': {
             'VCLinkerTool': {
               'DelayLoadDLLs': [
@@ skipping 185 matching lines @@
               'dependencies': [
                 '../../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }