[Extensions] Fix a bug in the startup pages override bubble

chrome/browser/ui/cocoa/extensions/extension_message_bubble_browsertest_mac.mm

 // Copyright 2015 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 "base/macros.h"
 #include "chrome/browser/ui/browser_window.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/extensions/browser_action_button.h"
 #import "chrome/browser/ui/cocoa/extensions/browser_actions_controller.h"
 #import "chrome/browser/ui/cocoa/extensions/toolbar_actions_bar_bubble_mac.h"
@@ skipping 221 matching lines @@
 
 IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleBrowserTestMac,
                        TestControlledHomeMessageBubble) {
   TestControlledHomeBubbleShown();
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleBrowserTestMac,
                        TestControlledSearchMessageBubble) {
   TestControlledSearchBubbleShown();
 }
+
+IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleBrowserTestMac,
+                       PRE_TestControlledStartupMessageBubble) {
+  PreTestControlledStartupBubbleShown();
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleBrowserTestMac,
+                       TestControlledStartupMessageBubble) {
+  TestControlledStartupBubbleShown();
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleBrowserTestMac,
+                       PRE_TestControlledStartupNotShownOnRestart) {
+  PreTestControlledStartupNotShownOnRestart();
+}
+
+IN_PROC_BROWSER_TEST_F(ExtensionMessageBubbleBrowserTestMac,
+                       TestControlledStartupNotShownOnRestart) {
+  TestControlledStartupNotShownOnRestart();
+}