Update {virtual,override,final} to follow C++11 style.

content/browser/accessibility/android_hit_testing_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 <set>
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
@@ skipping 14 matching lines @@
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "content/test/accessibility_browser_test_utils.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 class AndroidHitTestingBrowserTest : public ContentBrowserTest {
  public:
   AndroidHitTestingBrowserTest() {}
-  virtual ~AndroidHitTestingBrowserTest() {}
+  ~AndroidHitTestingBrowserTest() override {}
 };
 
 IN_PROC_BROWSER_TEST_F(AndroidHitTestingBrowserTest,
                        HitTestOutsideDocumentBoundsReturnsRoot) {
   NavigateToURL(shell(), GURL(url::kAboutBlankURL));
 
   // Load the page.
   AccessibilityNotificationWaiter waiter(
       shell(), AccessibilityModeComplete,
       ui::AX_EVENT_LOAD_COMPLETE);
@@ skipping 24 matching lines @@
   hover_waiter.WaitForNotification();
 
   // Assert that the hover event was fired on the root of the tree.
   int hover_target_id = hover_waiter.event_target_id();
   BrowserAccessibility* hovered_node = manager->GetFromID(hover_target_id);
   ASSERT_TRUE(hovered_node != NULL);
   ASSERT_EQ(ui::AX_ROLE_ROOT_WEB_AREA, hovered_node->GetRole());
 }
 
 }  // namespace content