Fix for chromeos enterprise tests.

telemetry/telemetry/internal/backends/chrome/cros_browser_backend.py

Index: telemetry/telemetry/internal/backends/chrome/cros_browser_backend.py
diff --git a/telemetry/telemetry/internal/backends/chrome/cros_browser_backend.py b/telemetry/telemetry/internal/backends/chrome/cros_browser_backend.py
index 397b04aa8141ff58963dac77fc586bc8f95825da..f7f8ef0ff41aba3eb0344db635ea4c0c7401a279 100644
--- a/telemetry/telemetry/internal/backends/chrome/cros_browser_backend.py
+++ b/telemetry/telemetry/internal/backends/chrome/cros_browser_backend.py
@@ -221,6 +221,12 @@ class CrOSBrowserBackend(chrome_browser_backend.ChromeBrowserBackend):
 
     self._cri = None
 
+  def WaitForBrowserToComeUp(self):
+    """If a restart is triggered, wait for the browser to come up, and reconnect
+    to devtools.
+    """
+    self._WaitForBrowserToComeUp()
+
   def IsBrowserRunning(self):
     if not self._cri:
       return False