Unbreak test-webkitpy.

third_party/WebKit/Tools/Scripts/webkitpy/w3c/wpt_github.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
+import os
+import sys
+
+from webkitpy.common.system.filesystem import FileSystem
+from webkitpy.common.webkit_finder import WebKitFinder
+
+# httplib2 is part of the hermetic depot_tools install,
+# but we first need to find a path to it.
+# TODO(dglazkov): libhttp2 needs to be imported into thirdparty dir.
+# See http://crbug.com/670987 for details.
+_DEPOT_TOOLS_ROOT = WebKitFinder(FileSystem()).depot_tools_base()
+sys.path.append(os.path.join(_DEPOT_TOOLS_ROOT, 'third_party'))
+
 import httplib2
-import logging
 
 _log = logging.getLogger(__name__)
 API_BASE = 'https://api.github.com'
 EXPORT_LABEL = 'chromium-export'
 
 
 class WPTGitHub(object):
 
     def __init__(self, host):
         self.host = host
@@ skipping 69 matching lines @@
 
     def merge_pull_request(self, pull_request_number):
         path = '/repos/w3c/web-platform-tests/pulls/%d/merge' % pull_request_number
         body = {}
         response, content = self.request(path, body)
 
         if response['status'] == '200':
             return json.loads(content)
         else:
             raise Exception('PR could not be merged: %d' % pull_request_number)