Add a new mobile action count metric for "MobileActionBarShown"

tools/metrics/actions/extract_actions.py

 #!/usr/bin/env python
 #
 # 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.
 
 """Extract UserMetrics "actions" strings from the Chrome source.
 
 This program generates the list of known actions we expect to see in the
 user behavior logs.  It walks the Chrome source, looking for calls to
@@ skipping 186 matching lines @@
   """Add actions that are used by Chrome on Android.
 
   Arguments
     actions: set of actions to add to.
   """
   actions.add('DataReductionProxy_PromoDisplayed');
   actions.add('DataReductionProxy_PromoLearnMore');
   actions.add('DataReductionProxy_TurnedOn');
   actions.add('DataReductionProxy_TurnedOnFromPromo');
   actions.add('DataReductionProxy_TurnedOff');
+  actions.add('MobileActionBarShown')
   actions.add('MobileBeamCallbackSuccess')
   actions.add('MobileBeamInvalidAppState')
   actions.add('MobileBreakpadUploadAttempt')
   actions.add('MobileBreakpadUploadFailure')
   actions.add('MobileBreakpadUploadSuccess')
   actions.add('MobileContextMenuCopyImageLinkAddress')
   actions.add('MobileContextMenuCopyLinkAddress')
   actions.add('MobileContextMenuCopyLinkText')
   actions.add('MobileContextMenuImage')
   actions.add('MobileContextMenuLink')
@@ skipping 391 matching lines @@
     else:
       print action
 
   if hash_output:
     print "Done. Do not forget to add chromeactions.txt to your changelist"
   return 0
 
 
 if '__main__' == __name__:
   sys.exit(main(sys.argv))