Factor out a perf test result printer method.

chrome/chrome_tests.gypi

 # 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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 699 matching lines @@
       ]
     },
     {
       'target_name': 'chromedriver_unittests',
       'type': 'executable',
       'dependencies': [
         'chromedriver_lib',
         '../base/base.gyp:run_all_unittests',
         '../base/base.gyp:test_support_base',
         '../testing/gtest.gyp:gtest',
+        '../testing/perf/perf_test.gyp:*',
         '../skia/skia.gyp:skia',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'test/webdriver/commands/set_timeout_commands_unittest.cc',
         'test/webdriver/frame_path_unittest.cc',
         'test/webdriver/http_response_unittest.cc',
         'test/webdriver/keycode_text_conversion_unittest.cc',
@@ skipping 2724 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }