[Findit] Factoring the gitiles (etc) stuff out into its own directory

appengine/findit/crash/test/classifier_test.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.
 
 from common import constants
 from common.pipeline_wrapper import pipeline_handlers
 from crash import classifier
-from crash.callstack import CallStack
-from crash.callstack import StackFrame
+from crash.callstack import CallStack, StackFrame
 from crash.results import Result
 from crash.test.crash_testcase import CrashTestCase
 
 
 class DummyClassifier(classifier.Classifier):
 
   def GetClassFromStackFrame(self, frame):
     if frame.dep_path == 'src/':
       return 'class_1'
 
@@ skipping 48 matching lines @@
     result = Result(self.GetDummyChangeLog(), 'src/')
     result.file_to_stack_infos = {
         'f0.cc': [(StackFrame(
             0, 'src/', 'a::c(p* &d)', 'f0.cc', 'src/f0.cc', [177]), 0)]
     }
 
     self.assertEqual(dummy_classifier.Classify([result], CallStack(0)),
                      'class_3')