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..db5cc02fcba93df7f261d5a36588656c11d7e542 100644
--- a/content/test/gpu/gpu_tests/gpu_process.py
+++ b/content/test/gpu/gpu_tests/gpu_process.py
@@ -16,6 +16,14 @@ test_harness_script = r"""
   }
 
   window.domAutomationController = domAutomationController;
+
+  function GetDriverBugWorkarounds() {
+    var query_result = document.querySelector('.workarounds-list');
+    var browser_list = []
+    for (var i=0; i < query_result.childElementCount; i++)
+      browser_list.push(query_result.children[i].textContent);
+    return browser_list;
+  };
 """
 
 class GpuProcessValidator(gpu_test_base.ValidatorBase):