Standardize usage of virtual/override/final specifiers.

chrome/browser/net/safe_search_util_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/net/safe_search_util.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_piece.h"
 #include "net/http/http_request_headers.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "url/gurl.h"
 
 class SafeSearchUtilTest : public ::testing::Test {
  protected:
   SafeSearchUtilTest() {}
-  virtual ~SafeSearchUtilTest() {}
+  ~SafeSearchUtilTest() override {}
 
   scoped_ptr<net::URLRequest> CreateYoutubeRequest() {
     return context_.CreateRequest(GURL("http://www.youtube.com"),
                                   net::DEFAULT_PRIORITY,
                                   NULL,
                                   NULL);
   }
 
   scoped_ptr<net::URLRequest> CreateNonYoutubeRequest() {
     return context_.CreateRequest(GURL("http://www.notyoutube.com"),
@@ skipping 53 matching lines @@
                "PREF=\"f1=1&f2=4321\"; OtherCookie=value",
                "PREF=\"f1=1&f2=8004321\"; OtherCookie=value");
 }
 
 TEST_F(SafeSearchUtilTest, DoesntTouchNonYoutubeURL) {
   scoped_ptr<net::URLRequest> request = CreateNonYoutubeRequest();
   CheckHeaders(request.get(),
                "PREF=f2=0",
                "PREF=f2=0");
 }