Revert of Fix regression introduced in r289434 - I missed the test_type.

scripts/slave/recipe_modules/chromium/api.py

 # Copyright 2013 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.
 
 from slave import recipe_api
 from slave import recipe_util
 
 from . import builders
 from . import steps
 
@@ skipping 319 matching lines @@
     args = ['--browser=%s' % self.c.build_config_fs.lower(),
             '--retry-limit=3']
 
     if not self.m.tryserver.is_tryserver:
       chromium_revision = self.m.bot_update.properties['got_revision']
       blink_revision = self.m.bot_update.properties['got_webkit_revision']
       args += [
           '--builder-name=%s' % self.m.properties['buildername'],
           '--master-name=%s' % self.m.properties['mastername'],
           '--test-results-server=%s' % 'test-results.appspot.com',
-          '--test-type=%s' % test_type,
           '--metadata', 'chromium_revision=%s' % chromium_revision,
           '--metadata', 'blink_revision=%s' % blink_revision,
           '--metadata', 'build_number=%s' % self.m.properties['buildnumber'],
       ]
 
     args += cmd_args
 
     return self.runtest(
         script_path,
         args=args,
@@ skipping 206 matching lines @@
     # Chromium workspace.
     if self.m.platform.is_win:
       self.m.python(
           name='get_vs_toolchain_if_necessary',
           script=self.m.path['depot_tools'].join(
               'win_toolchain', 'get_toolchain_if_necessary.py'),
           args=[
               '27eac9b2869ef6c89391f305a3f01285ea317867',
               '9d9a93134b3eabd003b85b4e7dea06c0eae150ed',
           ])