Move recipe engine to third_party/recipe_engine.

third_party/recipe_engine/expect_tests/cover.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.
 
 from cStringIO import StringIO
 
-import test_env  # pylint: disable=W0611
-
 import coverage
 
 # This is instead of a contextmanager because it causes old pylints to crash :(
 class _Cover(object):
   def __init__(self, enabled, maybe_kwargs):
     self.enabled = enabled
     self.kwargs = maybe_kwargs or {}
     self.c = None
 
   def __call__(self, **kwargs):
@@ skipping 30 matching lines @@
         'data_suffix': True,
         'branch': cover_branches,
       }
       self.cov = coverage.coverage(**self.opts)
       self.cov.erase()
 
   def cleanup(self):
     if self.enabled:
       self.cov.combine()
 
-  def report(self, verbose):
+  def report(self, verbose, omit=None):
     fail = False
 
     if self.enabled:
       if self.html_report:
-        self.cov.html_report(directory=self.html_report)
+        self.cov.html_report(directory=self.html_report, omit=None)
 
       outf = StringIO()
-      fail = self.cov.report(file=outf) != 100.0
+      fail = self.cov.report(file=outf, omit=omit) != 100.0
       summary = outf.getvalue().replace('%- 15s' % 'Name', 'Coverage Report', 1)
       if verbose:
         print
         print summary
       elif fail:
         print
         lines = summary.splitlines()
         lines[2:-2] = [l for l in lines[2:-2]
                        if not l.strip().endswith('100%')]
         print '\n'.join(lines)
         print
         print 'FATAL: Test coverage is not at 100%.'
 
     return not fail
 
   def create_subprocess_context(self):
     # Can't have this method be the contextmanager because otherwise
     # self (and self.cov) will get pickled to the subprocess, and we don't want
     # that :(
     return _Cover(self.enabled, self.opts)