[Findit] Enable project classifier and component classifier

appengine/findit/crash/fracas.py

 # Copyright 2016 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.
 
 """Process crashes from Chrome crash server and find culprits for them."""
 
 from common import chromium_deps
 from crash import detect_regression_range
 from crash import findit_for_crash
 from crash.fracas_parser import FracasParser
+from crash.project_classifier import ProjectClassifier
+from crash.component_classifier import ComponentClassifier
 
 
 def FindCulpritForChromeCrash(signature, platform,
                               stack_trace, crashed_version, historic_metadata):
   """Finds culprits for a Chrome crash.
 
   Args:
     platform (str): The platform name, could be 'win', 'mac', 'linux',
       'android', 'ios', etc.
     signature (str): The signature of a crash on the Chrome crash server.
@@ skipping 52 matching lines @@
 
   if regression_versions:
     last_good_version, first_bad_version = regression_versions
     # Get regression deps and crash deps.
     regression_deps_rolls = chromium_deps.GetDEPSRollsDict(
         last_good_version, first_bad_version, platform)
 
   culprit_results = findit_for_crash.FindItForCrash(
       stacktrace, regression_deps_rolls, crash_deps)
 
-  # TODO(katesonia): Enable dependency classifier and component classifier.
-  suspected_project = ''
-  suspected_components = []
+  crash_stack = stacktrace.crash_stack
+  suspected_project = ProjectClassifier().Classify(
+      culprit_results, crash_stack)
+  suspected_components = ComponentClassifier().Classify(
+      culprit_results, crash_stack)
 
   return (
       {
           'found': (bool(suspected_project) or bool(suspected_components) or
                     bool(culprit_results)),
           'suspected_project': suspected_project,
           'suspected_components': suspected_components,
           'culprits': culprit_results,
       },
       {
           'found_suspects': bool(culprit_results),
           'has_regression_range': bool(regression_versions),
           'solution': 'core_algorithm',
       }
   )