Re-organize Skia recipes

infra/bots/recipe_modules/skia/coverage_flavor.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.
-
-
-import datetime
-import default_flavor
-import posixpath
-import ssh_devices
-
-
-"""Utils for running coverage tests."""
-
-
-class CoverageFlavorUtils(default_flavor.DefaultFlavorUtils):
-
-  def step(self, name, cmd, **kwargs):
-    """Run the given step through coverage."""
-    compile_target = 'dm'
-    build_cmd = [self._skia_api.skia_dir.join('tools', 'llvm_coverage_build'),
-                 compile_target]
-    self._skia_api.run(self._skia_api.m.step,
-                       'build %s' % compile_target,
-                       cmd=build_cmd,
-                       cwd=self._skia_api.m.path['checkout'])
-
-    # Slice out the 'key' and 'properties' arguments to be reused.
-    key = []
-    properties = []
-    current = None
-    for i in xrange(0, len(cmd)):
-      if isinstance(cmd[i], basestring) and cmd[i] == '--key':
-        current = key
-      elif isinstance(cmd[i], basestring) and cmd[i] == '--properties':
-        current = properties
-      elif isinstance(cmd[i], basestring) and cmd[i].startswith('--'):
-        current = None
-      if current is not None:
-        current.append(cmd[i])
-
-    results_dir = self._skia_api.skia_out.join('coverage_results')
-    self.create_clean_host_dir(results_dir)
-
-    # Run DM under coverage.
-    report_file_basename = '%s.cov' % self._skia_api.got_revision
-    report_file = results_dir.join(report_file_basename)
-    args = [
-        'python',
-        self._skia_api.skia_dir.join('tools', 'llvm_coverage_run.py'),
-    ] + cmd + ['--outResultsFile', report_file]
-    self._skia_api.run(self._skia_api.m.step, name=name, cmd=args,
-                       cwd=self._skia_api.m.path['checkout'], **kwargs)
-
-    # Generate nanobench-style JSON output from the coverage report.
-    nanobench_json = results_dir.join('nanobench_%s.json' % (
-        self._skia_api.got_revision))
-    line_by_line_basename = ('coverage_by_line_%s.json' % (
-        self._skia_api.got_revision))
-    line_by_line = results_dir.join(line_by_line_basename)
-    args = [
-        'python',
-        self._skia_api.skia_dir.join('tools', 'parse_llvm_coverage.py'),
-        '--report', report_file, '--nanobench', nanobench_json,
-        '--linebyline', line_by_line]
-    args.extend(key)
-    args.extend(properties)
-    self._skia_api.run(
-        self._skia_api.m.step,
-        'Generate Coverage Data',
-        cmd=args, cwd=self._skia_api.m.path['checkout'])
-
-    # Copy files from results_dir into swarming_out_dir.
-    for r in self._skia_api.m.file.listdir('results_dir', results_dir):
-      self._skia_api.m.file.copy(
-          'Copy to swarming out', results_dir.join(r),
-          self._skia_api.swarming_out_dir)