Add method for identifying different InfoBars

chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm

Index: chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm b/chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm
index c26ebd835bdf7a97e67448a05d3d5ddb6192f653..bc8820eac4e1482602663772a145202506c7cc90 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm
@@ -40,6 +40,7 @@
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/testing_profile.h"
+#include "components/infobars/core/infobar_delegate.h"
 #include "components/infobars/core/simple_alert_infobar_delegate.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/test_utils.h"
@@ -211,6 +212,7 @@ class BrowserWindowControllerTest : public InProcessBrowserTest {
     SimpleAlertInfoBarDelegate::Create(
         InfoBarService::FromWebContents(
             browser->tab_strip_model()->GetActiveWebContents()),
+        infobars::InfoBarDelegate::TEST_INFOBAR_ID,
         0, gfx::VectorIconId::VECTOR_ICON_NONE, base::string16(), false);
   }