[NOT FOR SUBMIT] Reproduce cascading failures of gpu integration test

content/test/gpu/gpu_tests/webgl_conformance_integration_test.py

Index: content/test/gpu/gpu_tests/webgl_conformance_integration_test.py
diff --git a/content/test/gpu/gpu_tests/webgl_conformance_integration_test.py b/content/test/gpu/gpu_tests/webgl_conformance_integration_test.py
index 5e4d80807a856b31e68c86c5e119fa475a2cf80b..fdcdeec7164531b12192dc10661dc1d89a365d96 100644
--- a/content/test/gpu/gpu_tests/webgl_conformance_integration_test.py
+++ b/content/test/gpu/gpu_tests/webgl_conformance_integration_test.py
@@ -7,11 +7,19 @@ from gpu_tests import webgl_conformance
 from gpu_tests import webgl_conformance_expectations
 from gpu_tests import webgl2_conformance_expectations
 
+_GLOBAL_COUNT = 0
 
 class WebGLConformanceIntegrationTest(gpu_integration_test.GpuIntegrationTest):
 
   _webgl_version = None
 
+  def setUp(self):
+    super(WebGLConformanceIntegrationTest, self).setUp()
+    global _GLOBAL_COUNT
+    _GLOBAL_COUNT += 1
+    if _GLOBAL_COUNT == 4:
+      self.tab.Navigate('chrome://crash')
+
   @classmethod
   def Name(cls):
     return 'webgl_conformance'