Remove trailing semicolon at the end of a method definition

content/browser/download/download_worker.cc

 // Copyright 2017 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 "content/browser/download/download_worker.h"
 
 #include "content/browser/download/download_create_info.h"
 #include "content/public/browser/download_interrupt_reasons.h"
 #include "content/public/browser/web_contents.h"
 #include "net/traffic_annotation/network_traffic_annotation.h"
 
 namespace content {
 namespace {
 
 const int kVerboseLevel = 1;
 
 class CompletedByteStreamReader : public ByteStreamReader {
  public:
   CompletedByteStreamReader(int status) : status_(status) {};
   ~CompletedByteStreamReader() override = default;
 
   // ByteStreamReader implementations:
   ByteStreamReader::StreamState Read(scoped_refptr<net::IOBuffer>* data,
                                      size_t* length) override {
     return ByteStreamReader::STREAM_COMPLETE;
   }
   int GetStatus() const override { return status_; }
-  void RegisterCallback(const base::Closure& sink_callback) override {};
+  void RegisterCallback(const base::Closure& sink_callback) override {}
 
  private:
   int status_;
 };
 
 std::unique_ptr<UrlDownloader, BrowserThread::DeleteOnIOThread>
 CreateUrlDownloader(std::unique_ptr<DownloadUrlParameters> params,
                     base::WeakPtr<UrlDownloader::Delegate> delegate) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
@@ skipping 94 matching lines @@
   url_downloader_.reset();
 }
 
 void DownloadWorker::AddUrlDownloader(
     std::unique_ptr<UrlDownloader, BrowserThread::DeleteOnIOThread>
         downloader) {
   url_downloader_ = std::move(downloader);
 }
 
 }  // namespace content