[Predator] Add TouchCrashedFileMetaFeature.

appengine/findit/common/chrome_dependency_fetcher.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 re
 
 from common import dependency
 from common import deps_parser
 
 _CHROMIUM_ROOT_DIR = 'src/'
@@ skipping 82 matching lines @@
       for child in dep.children.values():
         FlattenDepTree(child)
 
     FlattenDepTree(root_dep)
 
     # Make sure that DEPS file in buildspec/ overwrite the chromium repo.
     dependencies[_CHROMIUM_ROOT_DIR] = root_dep
 
     return dependencies
 
-
   def GetDependencyRolls(self, old_cr_revision, new_cr_revision, platform,
                          skip_chromium_roll=True):
     """Returns a list of dependency rolls between the given Chromium revisions.
 
     Args:
       old_cr_revision (str): The old Chromium revision, it can be a githash or a
         chrome version for a official build.
       new_cr_revision (str): The new Chromium revision, it can be a githash or a
         chrome version for a official build.
       platform (str): The target OS platform of the Chrome or test binary.
@@ skipping 22 matching lines @@
                 path, new_dep.repo_url, old_revision, new_dep.revision))
 
     for path, old_dep in old_deps.iteritems():
       if path not in new_deps:
         rolls.append(
             dependency.DependencyRoll(
                 path, old_dep.repo_url, old_dep.revision, None))
 
     return rolls
 
-
   def GetDependencyRollsDict(self, old_cr_revision, new_cr_revision, platform):
     """Gets dep_path to DependencyRoll dictionary for deps between revisions.
 
     Args:
       old_cr_revision (str): The old Chromium revision, it can be a githash or a
         chrome version for a official build.
       new_cr_revision (str): The new Chromium revision, it can be a githash or a
         chrome version for a official build.
       platform (str): The target OS platform of the Chrome or test binary.
 
     Returns:
       A dict, mapping dep path to its DependencyRoll.
     """
     deps_rolls = self.GetDependencyRolls(old_cr_revision, new_cr_revision,
                                          platform, skip_chromium_roll=False)
 
     deps_rolls_dict = {}
 
     for dep_roll in deps_rolls:
       deps_rolls_dict[dep_roll.path] = dep_roll
 
     return deps_rolls_dict