Restart named testing channel on disconnect.

chrome/browser/automation/testing_automation_provider.cc

Index: chrome/browser/automation/testing_automation_provider.cc
diff --git a/chrome/browser/automation/testing_automation_provider.cc b/chrome/browser/automation/testing_automation_provider.cc
index 8278cc6eb6be9e1de77a835786b370188d46aefc..64ee9fe63bb8db1aecb3b1bcd34f65a489e3b511 100644
--- a/chrome/browser/automation/testing_automation_provider.cc
+++ b/chrome/browser/automation/testing_automation_provider.cc
@@ -406,7 +406,8 @@ bool TestingAutomationProvider::OnMessageReceived(
 }
 
 void TestingAutomationProvider::OnChannelError() {
-  if (browser_shutdown::GetShutdownType() == browser_shutdown::NOT_VALID)
+  if (!reinitialize_on_channel_error_ &&
+      browser_shutdown::GetShutdownType() == browser_shutdown::NOT_VALID)
     BrowserList::CloseAllBrowsersAndExit();
   AutomationProvider::OnChannelError();
 }