DevTools: create test infrastructure so devtools drives the test

third_party/WebKit/Source/devtools/scripts/dependency_preprocessor.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 codecs
 import multiprocessing
 from os import path
 import re
 import shutil
 
@@ skipping 12 matching lines @@
         self.temp_frontend_path = temp_frontend_path
         self.module_descriptors = descriptors.modules
         self.modules = set(self.descriptors.sorted_modules())
         shutil.copytree(devtools_frontend_path, self.temp_frontend_path)
         with open(special_case_namespaces_path) as json_file:
             self._special_case_namespaces = json.load(json_file)
 
     def enforce_dependencies(self):
         arg_list = []
         for module in self.modules:
-            dependencies = set(self.descriptors.sorted_dependencies_closure(module))
+            dependencies = set(self.descriptors.sorted_dependencies_closure(module, include_test_dependencies=True))
             excluded_modules = self.modules - {module} - dependencies
             excluded_namespaces = [self._map_module_to_namespace(m) for m in excluded_modules]
             file_paths = [
                 path.join(self.temp_frontend_path, module, file_name)
                 for file_name in self.descriptors.module_compiled_files(module)
             ]
             arg = {
                 'excluded_namespaces': excluded_namespaces,
                 'file_paths': file_paths,
             }
@@ skipping 28 matching lines @@
     replace = r'\1$$UndeclaredDependency_\2$$\3'
     return re.sub(regex, replace, file_contents)
 
 
 def parallelize(fn, arg_list):
     number_of_processes = min(multiprocessing.cpu_count(), 8)
     pool = multiprocessing.Pool(number_of_processes)
     pool.map(fn, arg_list)
     pool.close()
     pool.join()