Update from https://crrev.com/309717

net/url_request/sdch_dictionary_fetcher_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 "net/url_request/sdch_dictionary_fetcher.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/run_loop.h"
@@ skipping 76 matching lines @@
 
   SdchDictionaryFetcherTest() {
     URLRequestSpecifiedResponseJob::AddUrlHandler();
     context_.reset(new TestURLRequestContext);
     fetcher_.reset(new SdchDictionaryFetcher(
         context_.get(),
         base::Bind(&SdchDictionaryFetcherTest::OnDictionaryFetched,
                    base::Unretained(this))));
   }
 
-  ~SdchDictionaryFetcherTest() {
+  ~SdchDictionaryFetcherTest() override {
     URLRequestSpecifiedResponseJob::RemoveUrlHandler();
   }
 
   void OnDictionaryFetched(const std::string& dictionary_text,
                            const GURL& dictionary_url,
                            const BoundNetLog& net_log) {
     dictionary_additions.push_back(
         DictionaryAdditions(dictionary_text, dictionary_url));
   }
 
@@ skipping 64 matching lines @@
   fetcher()->Schedule(dictionary_url_1);
   fetcher()->Schedule(dictionary_url_2);
   fetcher()->Schedule(dictionary_url_3);
   fetcher()->Cancel();
   base::RunLoop().RunUntilIdle();
 
   // Synchronous execution may have resulted in a single job being scheduled.
   EXPECT_GE(1, JobsRequested());
 }
 }