Rename the devtools library: pylib -> devtoolslib.

mojo/devtools/common/pylib/apptest_dart.py

-# Copyright 2014 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.
-
-"""Apptest runner specific to the particular Dart apptest framework in
-/mojo/dart/apptests, built on top of the general apptest runner."""
-
-import logging
-
-_logging = logging.getLogger()
-
-from pylib.apptest import run_apptest
-
-
-def _dart_apptest_output_test(output):
-  # Fail on output with dart unittests' "FAIL:"/"ERROR:" or a lack of "PASS:".
-  # The latter condition ensures failure on broken command lines or output.
-  # Check output instead of exit codes because mojo_shell always exits with 0.
-  if (not output or
-      '\nFAIL: ' in output or
-      '\nERROR: ' in output or
-      '\nPASS: ' not in output):
-    return False
-  return True
-
-
-# TODO(erg): Support android, launched services and fixture isolation.
-def run_dart_apptest(shell, shell_args, apptest_url, apptest_args):
-  """Runs a dart apptest.
-
-  Args:
-    shell_args: The arguments for mojo_shell.
-    apptest_url: Url of the apptest app to run.
-    apptest_args: Parameters to be passed to the apptest app.
-
-  Returns:
-    True iff the test succeeded, False otherwise.
-  """
-  return run_apptest(shell, shell_args, apptest_url, apptest_args,
-                     _dart_apptest_output_test)