Add DriverBugWorkaroundsInGpuProcessPage to gpu_process_test.py

content/test/gpu/gpu_tests/gpu_process.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 gpu_tests import gpu_process_expectations as expectations
 from gpu_tests import gpu_test_base
 import page_sets
 
 from telemetry.page import page_test
 
 test_harness_script = r"""
   var domAutomationController = {};
   domAutomationController._finished = false;
   domAutomationController.setAutomationId = function(id) {}
   domAutomationController.send = function(msg) {
     domAutomationController._finished = true;
   }
 
   window.domAutomationController = domAutomationController;
+
+  function VerifyDriverBugWorkarounds(workaround) {

[Ken Russell (switch to Gerrit), 2016/03/30 22:17:41]

nit: VerifyDriverBugWorkaroundIsPresent

[Julien Isorce Samsung, 2016/03/31 15:20:09]

Done.

+    var browser_list = document.querySelector('.workarounds-list');
+    var gpu_list = chrome.gpuBenchmarking.getGpuDriverBugWorkarounds();
+    var found = false;
+
+    for (var i=0; i < browser_list.childElementCount; i++) {
+      var workaround_str = browser_list.children[i].textContent;
+      if (gpu_list.indexOf(workaround_str) < 0)
+        return false;
+
+      if (!found && workaround_str == workaround)
+        found = true;
+    }
+
+    return found;
+  };
 """
 
 class GpuProcessValidator(gpu_test_base.ValidatorBase):
   def __init__(self):
     super(GpuProcessValidator, self).__init__(
         needs_browser_restart_after_each_page=True)
 
   def CustomizeBrowserOptions(self, options):
     options.AppendExtraBrowserArgs('--enable-gpu-benchmarking')
 
@@ skipping 15 matching lines @@
     return 'gpu_process'
 
   def _CreateExpectations(self):
     return expectations.GpuProcessExpectations()
 
   def CreateStorySet(self, options):
     story_set = page_sets.GpuProcessTestsStorySet(self.GetExpectations())
     for page in story_set:
       page.script_to_evaluate_on_commit = test_harness_script
     return story_set