Add DriverBugWorkaroundsInGpuProcessPage to gpu_process_test.py

content/test/gpu/gpu_tests/gpu_process.py

Index: content/test/gpu/gpu_tests/gpu_process.py
diff --git a/content/test/gpu/gpu_tests/gpu_process.py b/content/test/gpu/gpu_tests/gpu_process.py
index 5dfabdefa6d204cb1e05363e13cb36c28d60cb89..2b01644c618b179a5cb9648061672d7aaf52b20f 100644
--- a/content/test/gpu/gpu_tests/gpu_process.py
+++ b/content/test/gpu/gpu_tests/gpu_process.py
@@ -16,6 +16,23 @@ test_harness_script = r"""
   }
 
   window.domAutomationController = domAutomationController;
+
+  function VerifyDriverBugWorkaroundIsPresent(workaround) {
+    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):