Port the json_results_generator code over from Blink.

build/android/pylib/utils/flakiness_dashboard_results_uploader.py

Index: build/android/pylib/utils/flakiness_dashboard_results_uploader.py
diff --git a/build/android/pylib/utils/flakiness_dashboard_results_uploader.py b/build/android/pylib/utils/flakiness_dashboard_results_uploader.py
index c7adc5989600f4226bb031f3fdd4bcd888f620e3..ac2b57603440c52a9bb26ecd9a90f4ea5bc1501f 100644
--- a/build/android/pylib/utils/flakiness_dashboard_results_uploader.py
+++ b/build/android/pylib/utils/flakiness_dashboard_results_uploader.py
@@ -13,48 +13,21 @@ import tempfile
 import xml
 
 
-# Include path when ran from a Chromium checkout.
-sys.path.append(
-    os.path.abspath(os.path.join(os.path.dirname(__file__),
-                                 os.pardir, os.pardir, os.pardir, os.pardir,
-                                 'third_party', 'WebKit', 'Tools', 'Scripts')))
-
-# Include path when ran from a WebKit checkout.
-sys.path.append(
-    os.path.abspath(os.path.join(os.path.dirname(__file__),
-                                 os.pardir, os.pardir, os.pardir, os.pardir,
-                                 os.pardir, os.pardir, os.pardir,
-                                 'Tools', 'Scripts')))
-
-# pylint: disable=F0401
-from webkitpy.common.system import executive, filesystem
-from webkitpy.layout_tests.layout_package import json_results_generator
-# pylint: enable=F0401
-
 #TODO(craigdh): pylib/utils/ should not depend on pylib/.
 from pylib import cmd_helper
 from pylib import constants
+from pylib.utils import json_results_generator
 from pylib.utils import repo_utils
 
 
-# The JSONResultsGenerator gets the filesystem.join operation from the Port
-# object. Creating a Port object requires specifying information that only
-# makes sense for running WebKit layout tests, so we provide a dummy object
-# that contains the fields required by the generator.
-class PortDummy(object):
-  def __init__(self):
-    self._executive = executive.Executive()
-    self._filesystem = filesystem.FileSystem()
-
 
 class JSONResultsGenerator(json_results_generator.JSONResultsGeneratorBase):
   """Writes test results to a JSON file and handles uploading that file to
   the test results server.
   """
-  def __init__(self, port, builder_name, build_name, build_number, tmp_folder,
+  def __init__(self, builder_name, build_name, build_number, tmp_folder,
                test_results_map, test_results_server, test_type, master_name):
     super(JSONResultsGenerator, self).__init__(
-        port=port,
         builder_name=builder_name,
         build_name=build_name,
         build_number=build_number,
@@ -175,7 +148,6 @@ class ResultsUploader(object):
 
     try:
       results_generator = JSONResultsGenerator(
-          port=PortDummy(),
           builder_name=self._builder_name,
           build_name=self._build_name,
           build_number=self._build_number,