Add image-first-tests flag to run-webkit-tests

third_party/WebKit/Tools/Scripts/webkitpy/layout_tests/port/base.py

 # Copyright (C) 2010 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 1551 matching lines @@
     def should_run_as_pixel_test(self, test_input):
         if not self._options.pixel_tests:
             return False
         if self._options.pixel_test_directories:
             return any(test_input.test_name.startswith(directory) for directory in self._options.pixel_test_directories)
         # TODO(burnik): Make sure this is the right way to do it.
         if self.should_use_wptserve(test_input.test_name):
             return False
         return True
 
+    def should_run_pixel_test_first(self, test_input):
+        return any(test_input.test_name.startswith(
+            directory) for directory in self._options.image_first_tests)
+
     def _convert_path(self, path):
         """Handles filename conversion for subprocess command line args."""
         # See note above in diff_image() for why we need this.
         if sys.platform == 'cygwin':
             return cygpath(path)
         return path
 
     def _build_path(self, *comps):
         return self._build_path_with_target(self._options.target, *comps)
 
@@ skipping 53 matching lines @@
 
     def __init__(self, base, args, reference_args=None):
         self.name = base
         self.base = base
         self.args = args
         self.reference_args = args if reference_args is None else reference_args
         self.tests = set()
 
     def __repr__(self):
         return "PhysicalTestSuite('%s', '%s', %s, %s)" % (self.name, self.base, self.args, self.reference_args)