Remove trailing semicolon at the end of a method definition

chrome/browser/extensions/api/data_reduction_proxy/data_reduction_proxy_api.h

 // Copyright 2015 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_DATA_REDUCTION_PROXY_DATA_REDUCTION_PROXY_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DATA_REDUCTION_PROXY_DATA_REDUCTION_PROXY_API_H_
 
 #include <memory>
 
 #include "extensions/browser/extension_function.h"
 
 namespace data_reduction_proxy {
 class DataUsageBucket;
 }
 
 namespace extensions {
 
 class DataReductionProxyClearDataSavingsFunction
     : public UIThreadExtensionFunction {
  private:
-  ~DataReductionProxyClearDataSavingsFunction() override {};
+  ~DataReductionProxyClearDataSavingsFunction() override {}
 
   DECLARE_EXTENSION_FUNCTION("dataReductionProxy.clearDataSavings",
                              DATAREDUCTIONPROXY_CLEARDATASAVINGS)
 
   ResponseAction Run() override;
 };
 
 class DataReductionProxyGetDataUsageFunction
     : public UIThreadExtensionFunction {
  private:
-  ~DataReductionProxyGetDataUsageFunction() override{};
+  ~DataReductionProxyGetDataUsageFunction() override {}
 
   DECLARE_EXTENSION_FUNCTION("dataReductionProxy.getDataUsage",
                              DATAREDUCTIONPROXY_GETDATAUSAGE)
 
   ResponseAction Run() override;
 
   void ReplyWithDataUsage(
       std::unique_ptr<std::vector<data_reduction_proxy::DataUsageBucket>>
           data_usage);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DATA_REDUCTION_PROXY_DATA_REDUCTION_PROXY_API_H_