Switch back to the old method of launching the login flow while keeping some of the benefits of the…

chrome/browser/automation/testing_automation_provider.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/automation/testing_automation_provider.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 1756 matching lines @@
   handler_map["SimulateAsanMemoryBug"] =
       &TestingAutomationProvider::SimulateAsanMemoryBug;
 
 #if defined(OS_CHROMEOS)
   handler_map["GetLoginInfo"] = &TestingAutomationProvider::GetLoginInfo;
   handler_map["ShowCreateAccountUI"] =
       &TestingAutomationProvider::ShowCreateAccountUI;
   handler_map["ExecuteJavascriptInOOBEWebUI"] =
       &TestingAutomationProvider::ExecuteJavascriptInOOBEWebUI;
   handler_map["LoginAsGuest"] = &TestingAutomationProvider::LoginAsGuest;
+  handler_map["StartLogin"] = &TestingAutomationProvider::StartLogin;
   handler_map["AddLoginEventObserver"] =
       &TestingAutomationProvider::AddLoginEventObserver;
   handler_map["SignOut"] = &TestingAutomationProvider::SignOut;
 
   handler_map["LockScreen"] = &TestingAutomationProvider::LockScreen;
   handler_map["UnlockScreen"] = &TestingAutomationProvider::UnlockScreen;
   handler_map["SignoutInScreenLocker"] =
       &TestingAutomationProvider::SignoutInScreenLocker;
 
   handler_map["GetBatteryInfo"] = &TestingAutomationProvider::GetBatteryInfo;
@@ skipping 4855 matching lines @@
 }
 
 void TestingAutomationProvider::EnsureTabSelected(Browser* browser,
                                                   WebContents* tab) {
   if (browser->GetSelectedWebContents() != tab ||
       browser != BrowserList::GetLastActive()) {
     browser->ActivateTabAt(browser->GetIndexOfController(&tab->GetController()),
         true /* user_gesture */);
   }
 }