Standardize usage of virtual/override/final specifiers.

chrome/browser/profiles/profile_downloader_unittest.cc

 // Copyright (c) 2011 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/profiles/profile_downloader.h"
 
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 22 matching lines @@
     dict->SetString("hd", hosted_domain);
 }
 
 } // namespace
 
 class ProfileDownloaderTest : public testing::Test {
  protected:
   ProfileDownloaderTest() {
   }
 
-  virtual ~ProfileDownloaderTest() {
-  }
+  ~ProfileDownloaderTest() override {}
 
   void VerifyWithAccountData(const std::string& full_name,
                              const std::string& given_name,
                              const std::string& url,
                              const std::string& expected_url,
                              const std::string& locale,
                              const std::string& hosted_domain,
                              bool include_empty_hosted_domain,
                              bool is_valid) {
     base::string16 parsed_full_name;
@@ skipping 151 matching lines @@
   // Not default G+ photo
   EXPECT_FALSE(ProfileDownloader::IsDefaultProfileImageURL(
       "https://example.com/-4/AAAAAAAAAAI/AAAAAAAAAAA/G/photo.jpg"));
   // Not default with 6 components
   EXPECT_FALSE(ProfileDownloader::IsDefaultProfileImageURL(
       "https://example.com/-4/AAAAAAAAAAI/AAAAAAAAACQ/Efg/photo.jpg"));
   // Not default with 7 components
   EXPECT_FALSE(ProfileDownloader::IsDefaultProfileImageURL(
       "https://example.com/-4/AAAAAAAAAAI/AAAAAAAAACQ/Efg/s32-c/photo.jpg"));
 }