Dart SDK Spelling b, c, and d.

build/mac/chrome_mac.croc

 # -*- python -*-
 # Crocodile config file for Chromium mac
 
 {
   # List of rules, applied in order
   'rules' : [
     # Specify inclusions before exclusions, since rules are in order.
 
-    # Don't include chromeos, linux, or windows specific files
+    # Don't include ChromeOS, linux, or windows specific files
     {
       'regexp' : '.*(_|/)(chromeos|linux|win|views)(\\.|_)',
       'include' : 0,
     },
     # Don't include ChromeOS dirs
     {
       'regexp' : '.*/chromeos/',
       'include' : 0,
     },
 
     # Groups
     {
       'regexp' : '.*_test_mac\\.',
       'group' : 'test',
     },
 
     # Languages
     {
       'regexp' : '.*\\.m$',
       'language' : 'ObjC',
     },
     {
       'regexp' : '.*\\.mm$',
       'language' : 'ObjC++',
     },
   ],
 }