Remove DOMAutomationController::automation_id_

chrome/browser/chromeos/login/wizard_controller_browsertest.cc

Index: chrome/browser/chromeos/login/wizard_controller_browsertest.cc
diff --git a/chrome/browser/chromeos/login/wizard_controller_browsertest.cc b/chrome/browser/chromeos/login/wizard_controller_browsertest.cc
index 4d1c9e3b4be412eedc01a547782e470e5883087d..156c740a35dc466168aad2abd9eb31bc2d36fe2e 100644
--- a/chrome/browser/chromeos/login/wizard_controller_browsertest.cc
+++ b/chrome/browser/chromeos/login/wizard_controller_browsertest.cc
@@ -275,10 +275,8 @@ class WizardControllerTest : public WizardInProcessBrowserTest {
       run_loop.Run();
   }
 
-  bool JSExecute(const std::string& expression) {
-    return content::ExecuteScript(
-        GetWebContents(),
-        "window.domAutomationController.send(!!(" + expression + "));");
+  bool JSExecute(const std::string& script) {
+    return content::ExecuteScript(GetWebContents(), script);
   }
 
   bool JSExecuteBooleanExpression(const std::string& expression) {