make pylint behave the same with or without -v

BUG=http://code.google.com/p/chromium/issues/detail?id=151110


Review URL: https://chromiumcodereview.appspot.com/10956047

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@158064 0039d316-1c4b-4281-b951-d872f2087c98

presubmit_canned_checks.py

@@ -675,7 +675,12 @@ def RunPylint(input_api, output_api, white_list=None, black_list=None,
       return 'Pylint failed!'
 
   result = None
-  if not input_api.verbose:
+  # Always run pylint and pass it all the py files at once.
+  # Passing py files one at time is slower and can produce
+  # different results.  input_api.verbose used to be used
+  # to enable this behaviour but differing behaviour in
+  # verbose mode is not desirable.
+  if True:
     result = run_lint(sorted(files))
   else:
     for filename in sorted(files):