Add method for identifying different InfoBars

chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 
 #import "base/mac/mac_util.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 190 matching lines @@
 
   BrowserWindowController* controller() const {
     return [BrowserWindowController browserWindowControllerForWindow:
         browser()->window()->GetNativeWindow()];
   }
 
   static void ShowInfoBar(Browser* browser) {
     SimpleAlertInfoBarDelegate::Create(
         InfoBarService::FromWebContents(
             browser->tab_strip_model()->GetActiveWebContents()),
+        "BrowserWindowControllerTest",
         0, gfx::VectorIconId::VECTOR_ICON_NONE, base::string16(), false);
   }
 
   NSView* GetViewWithID(ViewID view_id) const {
     switch (view_id) {
       case VIEW_ID_FULLSCREEN_FLOATING_BAR:
         return [controller() floatingBarBackingView];
       case VIEW_ID_TOOLBAR:
         return [[controller() toolbarController] view];
       case VIEW_ID_BOOKMARK_BAR:
@@ skipping 409 matching lines @@
   VerifyWindowControlsZOrder();
   [controller() removeOverlay];
   VerifyWindowControlsZOrder();
 
   // Toggle immersive fullscreen, then verify z order. In immersive fullscreen,
   // there are no window controls.
   [controller() enterImmersiveFullscreen];
   [controller() exitImmersiveFullscreen];
   VerifyWindowControlsZOrder();
 }