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

appengine/findit/handlers/crash/crash_handler.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.
 
 import base64
 import json
 import logging
 
 from common import constants
-from common.base_handler import BaseHandler
-from common.base_handler import Permission
+from common.base_handler import BaseHandler, Permission
 from crash import crash_pipeline
 
 
 class CrashHandler(BaseHandler):
   PERMISSION_LEVEL = Permission.ANYONE
 
   def HandlePost(self):
     """Handles push delivery from Pub/Sub for crash data.
 
     The crash data should be in the following json format:
@@ skipping 56 matching lines @@
           crash_data['client_id'],
           crash_data['platform'],
           crash_data['stack_trace'],
           crash_data['customized_data']['channel'],
           crash_data['customized_data']['historical_metadata'],
           queue_name=constants.CRASH_ANALYSIS_FRACAS_QUEUE)
     except (KeyError, ValueError):  # pragma: no cover.
       # TODO: save exception in datastore and create a page to show them.
       logging.exception('Failed to process crash message')
       logging.info(self.request.body)