Standardize usage of virtual/override/final in chrome/browser/extensions/

chrome/browser/extensions/bookmark_app_helper_unittest.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/extensions/bookmark_app_helper.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_service_test_base.h"
 #include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
@@ skipping 104 matching lines @@
 
 namespace extensions {
 
 class TestBookmarkAppHelper : public BookmarkAppHelper {
  public:
   TestBookmarkAppHelper(ExtensionService* service,
                         WebApplicationInfo web_app_info,
                         content::WebContents* contents)
       : BookmarkAppHelper(service, web_app_info, contents) {}
 
-  virtual ~TestBookmarkAppHelper() {}
+  ~TestBookmarkAppHelper() override {}
 
   void CreationComplete(const extensions::Extension* extension,
                         const WebApplicationInfo& web_app_info) {
     extension_ = extension;
   }
 
   void CompleteIconDownload(
       bool success,
       const std::map<GURL, std::vector<SkBitmap> >& bitmaps) {
     BookmarkAppHelper::OnIconsDownloaded(success, bitmaps);
@@ skipping 190 matching lines @@
 }
 
 TEST_F(BookmarkAppHelperTest, IsValidBookmarkAppUrl) {
   EXPECT_TRUE(IsValidBookmarkAppUrl(GURL("https://www.chromium.org")));
   EXPECT_TRUE(IsValidBookmarkAppUrl(GURL("http://www.chromium.org/path")));
   EXPECT_FALSE(IsValidBookmarkAppUrl(GURL("ftp://www.chromium.org")));
   EXPECT_FALSE(IsValidBookmarkAppUrl(GURL("chrome://flags")));
 }
 
 }  // namespace extensions