Replace flaky test, wrangle with harness/infra

components/test_runner/test_runner.h

Index: components/test_runner/test_runner.h
diff --git a/components/test_runner/test_runner.h b/components/test_runner/test_runner.h
index f6d2d80fff3bb56030d6e330004cb4c5003faa89..e09422fdd2fedcc28b1ca4f09ed967deec88b0e2 100644
--- a/components/test_runner/test_runner.h
+++ b/components/test_runner/test_runner.h
@@ -350,6 +350,10 @@ class TestRunner : public WebTestRunner {
   // state. The pixel results will not be generated for this test.
   void DumpAsMarkup();
 
+  // This function sets a flag that tells the test_shell to generate a pixel
+  // dump for the test.
+  void DumpPixelResults();
+
   // This function sets a flag that tells the test_shell to dump pages as
   // plain text, rather than as a text representation of the renderer's state.
   // It will also generate a pixel dump for the test.