Add an infobar if a session is being controlled by an automated test.

chrome/browser/ui/startup/startup_browser_creator_impl.cc

Index: chrome/browser/ui/startup/startup_browser_creator_impl.cc
diff --git a/chrome/browser/ui/startup/startup_browser_creator_impl.cc b/chrome/browser/ui/startup/startup_browser_creator_impl.cc
index 125a985e30ff9ea302ea7b7e065a584f98743829..8815e0c50d999844859dac5fdef3e00669c50b2e 100644
--- a/chrome/browser/ui/startup/startup_browser_creator_impl.cc
+++ b/chrome/browser/ui/startup/startup_browser_creator_impl.cc
@@ -67,6 +67,7 @@
 #include "chrome/browser/ui/extensions/app_launch_params.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/session_crashed_bubble.h"
+#include "chrome/browser/ui/startup/automation_infobar_delegate.h"
 #include "chrome/browser/ui/startup/bad_flags_prompt.h"
 #include "chrome/browser/ui/startup/default_browser_prompt.h"
 #include "chrome/browser/ui/startup/google_api_keys_infobar_delegate.h"
@@ -801,11 +802,19 @@ void StartupBrowserCreatorImpl::AddInfoBarsIfNecessary(
     SessionCrashedInfoBarDelegate::Create(browser);
   }
 
+  if (command_line_.HasSwitch(switches::kEnableAutomation))
+    AutomationInfoBarDelegate::Create();
+
   // The below info bars are only added to the first profile which is launched.
   // Other profiles might be restoring the browsing sessions asynchronously,
   // so we cannot add the info bars to the focused tabs here.
+  //
+  // These info bars are not shown when the browser is being controlled by
+  // automated tests, so that they don't interfere with tests that assume no
+  // info bars.
   if (is_process_startup == chrome::startup::IS_PROCESS_STARTUP &&
-      !command_line_.HasSwitch(switches::kTestType)) {
+      !command_line_.HasSwitch(switches::kTestType) &&
+      !command_line_.HasSwitch(switches::kEnableAutomation)) {
     chrome::ShowBadFlagsPrompt(browser);
     GoogleApiKeysInfoBarDelegate::Create(InfoBarService::FromWebContents(
         browser->tab_strip_model()->GetActiveWebContents()));