Add typ boilerplate to Telemetry-based GPU tests.

content/test/gpu/gpu_tests/hardware_accelerated_feature_integration_test.py

 # Copyright 2017 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 sys
+
 from gpu_tests import gpu_integration_test
 import gpu_tests.hardware_accelerated_feature_expectations as hw_expectations
 
 test_harness_script = r"""
   function VerifyHardwareAccelerated(feature) {
     feature += ': '
     var list = document.querySelector('.feature-status-list');
     for (var i=0; i < list.childElementCount; i++) {
       var span_list = list.children[i].getElementsByTagName('span');
       var feature_str = span_list[0].textContent;
@@ skipping 48 matching lines @@
             (feature))
 
   def RunActualGpuTest(self, test_path, *args):
     feature = args[0]
     self._Navigate(test_path)
     tab = self.tab
     if not tab.EvaluateJavaScript('VerifyHardwareAccelerated("%s")' % feature):
       print 'Test failed. Printing page contents:'
       print tab.EvaluateJavaScript('document.body.innerHTML')
       self.fail('%s not hardware accelerated' % feature)
+
+def load_tests(loader, tests, pattern):
+  del loader, tests, pattern  # Unused.
+  return gpu_integration_test.LoadAllTestsInModule(sys.modules[__name__])