Attempt to disable tab_capture_end2end_tests on the trybots.

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 1268 matching lines @@
     if not inp['files']:
       self.Print('Warning: No files modified in patch, bailing out early.')
       self.WriteJSON({
             'status': 'No dependency',
             'compile_targets': [],
             'test_targets': [],
           }, output_path)
       return 0
 
     gn_inp = {}
-    gn_inp['files'] = ['//' + f for f in inp['files'] if not f.startswith('//')]
+    gn_inp['files'] = sorted(['//' + f for f in inp['files']
+                              if not f.startswith('//')])
 
     isolate_map = self.ReadIsolateMap()
     err, gn_inp['additional_compile_targets'] = self.MapTargetsToLabels(
         isolate_map, inp['additional_compile_targets'])
+    gn_inp['additional_compile_targets'].sort()
     if err:
       raise MBErr(err)
 
     err, gn_inp['test_targets'] = self.MapTargetsToLabels(
         isolate_map, inp['test_targets'])
+    gn_inp['test_targets'].sort()
     if err:
       raise MBErr(err)
     labels_to_targets = {}
     for i, label in enumerate(gn_inp['test_targets']):
       labels_to_targets[label] = inp['test_targets'][i]
 
     try:
       self.WriteJSON(gn_inp, gn_input_path)
       cmd = self.GNCmd('analyze', build_path, gn_input_path, gn_output_path)
       ret, _, _ = self.Run(cmd, force_verbose=True)
@@ skipping 255 matching lines @@
   # Then check to see if the arg contains any metacharacters other than
   # double quotes; if it does, quote everything (including the double
   # quotes) for safety.
   if any(a in UNSAFE_FOR_CMD for a in arg):
     arg = ''.join('^' + a if a in ALL_META_CHARS else a for a in arg)
   return arg
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))