Fix the typo "visibility".

chrome/browser/ui/browser_tabrestore_browsertest.cc

 // Copyright 2014 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 "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/sessions/tab_restore_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_tab_restore_service_delegate.h"
@@ skipping 27 matching lines @@
     if (i == visible_index) {
       EXPECT_EQ("visible", document_visibility_state);
     } else {
       EXPECT_EQ("hidden", document_visibility_state);
     }
   }
 }
 
 void CreateTestTabs(Browser* browser) {
   GURL test_page(ui_test_utils::GetTestUrl(base::FilePath(),
-      base::FilePath(FILE_PATH_LITERAL("tab-restore-visibilty.html"))));
+      base::FilePath(FILE_PATH_LITERAL("tab-restore-visibility.html"))));
   ui_test_utils::NavigateToURLWithDisposition(
       browser, test_page, NEW_FOREGROUND_TAB,
       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
   ui_test_utils::NavigateToURLWithDisposition(
       browser, test_page, NEW_BACKGROUND_TAB,
       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
 }
 
 void CloseBrowser(Browser* browser) {
   content::WindowedNotificationObserver close_observer(
@@ skipping 77 matching lines @@
   AwaitTabsReady(&queue, 2);
 
   // There should be 3 restored tabs in the new browser.
   EXPECT_EQ(2u, active_browser_list->size());
   browser = active_browser_list->get(1);
   EXPECT_EQ(3, browser->tab_strip_model()->count());
 
   // The middle tab only should have visible disposition.
   CheckVisbility(browser->tab_strip_model(), 1);
 }