Use a generic runner for all Closure tests.

scripts/slave/recipes/closure_compilation.py

 # Copyright 2014 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.
 
 DEPS = [
   'bot_update',
   'chromium',
   'gclient',
   'path',
   'properties',
   'python',
   'step',
 ]
 
 
 def GenSteps(api):
   api.gclient.set_config('chromium')
   api.chromium.set_config('ninja')
 
   api.bot_update.ensure_checkout(force=True)
 
   api.python(
-      'compiler_customization_test',
+      'run_tests',
       api.path['checkout'].join('third_party', 'closure_compiler',
-                                'compiler_customization_test.py')
+                                'run_tests.py')
   )
 
   api.step(
       'generate_gyp_files',
       [api.path['checkout'].join('build', 'gyp_chromium'),
        api.path['checkout'].join('third_party', 'closure_compiler',
                                  'compiled_resources.gyp')],
   )
 
   api.chromium.compile()
 
 
 def GenTests(api):
   yield (
     api.test('main') +
     api.properties.generic(
       mastername='chromium.fyi',
       buildername='Closure Compilation Linux',
     )
   )