Remove arbitrary references to ChromeShell in comments.

tools/mb/mb.py

 #!/usr/bin/env python
 # Copyright 2015 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.
 
 """MB - the Meta-Build wrapper around GYP and GN
 
 MB is a wrapper script for GYP and GN that can be used to generate build files
 for sets of canned configurations and analyze them.
 """
@@ skipping 670 matching lines @@
           matching_targets.append(build_output)
 
       cmd = self.GNCmd('refs', self.args.path[0]) + [
           '@%s' % response_file.name, '--all']
       ret, out, _ = self.Run(cmd)
       if ret and not 'The input matches no targets' in out:
         self.WriteFailureAndRaise('gn refs returned %d: %s' % (ret, out),
                                   output_path)
       for label in out.splitlines():
         build_target = label[2:]
-        # We want to accept 'chrome/android:chrome_shell_apk' and
-        # just 'chrome_shell_apk'. This may result in too many targets
+        # We want to accept 'chrome/android:chrome_public_apk' and
+        # just 'chrome_public_apk'. This may result in too many targets
         # getting built, but we can adjust that later if need be.
         for input_target in inp['targets']:
           if (input_target == build_target or
               build_target.endswith(':' + input_target)):
             matching_targets.append(input_target)
     finally:
       self.RemoveFile(response_file.name)
 
     if matching_targets:
       # TODO: it could be that a target X might depend on a target Y
@@ skipping 123 matching lines @@
 
 if __name__ == '__main__':
   try:
     sys.exit(main(sys.argv[1:]))
   except MBErr as e:
     print(e)
     sys.exit(1)
   except KeyboardInterrupt:
     print("interrupted, exiting", stream=sys.stderr)
     sys.exit(130)