Change PRESUBMIT to try more cls on android

PRESUBMIT.py

 # 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.
 
 """Top-level presubmit script for Chromium.
 
 See http://dev.chromium.org/developers/how-tos/depottools/presubmit-scripts
 for more details about the presubmit API built into gcl.
 """
 
@@ skipping 462 matching lines @@
       input_api, output_api))
   results.extend(input_api.canned_checks.CheckChangeHasDescription(
       input_api, output_api))
   results.extend(_CheckSubversionConfig(input_api, output_api))
   return results
 
 
 def GetPreferredTrySlaves(project, change):
   files = change.LocalPaths()
 
+  if not files:

[John Grabowski, 2012/06/28 22:48:41]

unnecessary

[John Grabowski, 2012/06/28 22:51:29]

Hmm... all([]) is True.  Unexpected.

+    return []
+
   if all(re.search('\.(m|mm)$|[/_]mac[/_.]', f) for f in files):
     return ['mac_rel']
   if all(re.search('[/_]win[/_.]', f) for f in files):
     return ['win_rel']
   if all(re.search('[/_]android[/_.]', f) for f in files):
     return ['android']
 
   trybots = ['win_rel', 'linux_rel', 'mac_rel', 'linux_clang:compile']
   # match things like aurax11.cc or aura_oak.cc
   if any(re.search('[/_]aura', f) for f in files):
     trybots.append('linux_chromeos')
 
-  # Ensure CL contains some relevant files (i.e. not purely ^chrome)
-  if any(re.search('^(base|build|content|ipc|jingle|media|net|sql)/', f)
-         for f in files):
+  if not all(f.startswith('chrome/') for f in files):
     trybots.append('android')
 
   return trybots