Implemented parsing of the ignored failing tests spec and ignoring respective failures.

scripts/slave/runtest.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """A tool used to run a Chrome test executable and process the output.
 
 This script is used by the buildbot slaves. It must be run from the outer
 build directory, e.g. chrome-release/build/.
 
@@ skipping 994 matching lines @@
                                           command)
     result = _RunGTestCommand(command, extra_env, pipes=pipes,
                               results_tracker=results_tracker)
   finally:
     if http_server:
       http_server.StopServer()
     if _UsingGtestJson(options):
       _UploadGtestJsonSummary(json_file_name,
                               options.build_properties,
                               test_exe)
-      results_tracker.ProcessJSONFile()
+      results_tracker.ProcessJSONFile(options.build_dir)
 
   if options.generate_json_file:
     if not _GenerateJSONForTestResults(options, results_tracker):
       return 1
 
   if options.annotate:
     annotation_utils.annotate(
         options.test_type, result, results_tracker,
         options.factory_properties.get('full_test_name'),
         perf_dashboard_id=options.perf_dashboard_id)
@@ skipping 253 matching lines @@
                               results_tracker=results_tracker)
   finally:
     if http_server:
       http_server.StopServer()
     if start_xvfb:
       xvfb.StopVirtualX(slave_name)
     if _UsingGtestJson(options):
       _UploadGtestJsonSummary(json_file_name,
                               options.build_properties,
                               test_exe)
-      results_tracker.ProcessJSONFile()
+      results_tracker.ProcessJSONFile(options.build_dir)
 
   if options.generate_json_file:
     if not _GenerateJSONForTestResults(options, results_tracker):
       return 1
 
   if options.annotate:
     annotation_utils.annotate(
         options.test_type, result, results_tracker,
         options.factory_properties.get('full_test_name'),
         perf_dashboard_id=options.perf_dashboard_id)
@@ skipping 98 matching lines @@
     command = _GenerateRunIsolatedCommand(build_dir, test_exe_path, options,
                                           command)
     result = _RunGTestCommand(command, extra_env, results_tracker)
   finally:
     if http_server:
       http_server.StopServer()
     if _UsingGtestJson(options):
       _UploadGtestJsonSummary(json_file_name,
                               options.build_properties,
                               test_exe)
-      results_tracker.ProcessJSONFile()
+      results_tracker.ProcessJSONFile(options.build_dir)
 
   if options.enable_pageheap:
     slave_utils.SetPageHeap(build_dir, 'chrome.exe', False)
 
   if options.generate_json_file:
     if not _GenerateJSONForTestResults(options, results_tracker):
       return 1
 
   if options.annotate:
     annotation_utils.annotate(
@@ skipping 473 matching lines @@
   finally:
     if did_launch_dbus:
       # It looks like the command line argument --exit-with-session
       # isn't working to clean up the spawned dbus-daemon. Kill it
       # manually.
       _ShutdownDBus()
 
 
 if '__main__' == __name__:
   sys.exit(main())