Standardize usage of virtual/override/final in net/

net/dns/single_request_host_resolver_unittest.cc

 // Copyright (c) 2012 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/dns/single_request_host_resolver.h"
 
 #include "net/base/address_list.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_log.h"
 #include "net/base/test_completion_callback.h"
 #include "net/dns/mock_host_resolver.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
 namespace {
 
 // Helper class used by SingleRequestHostResolverTest.Cancel test.
 // It checks that only one request is outstanding at a time, and that
 // it is cancelled before the class is destroyed.
 class HangingHostResolver : public HostResolver {
  public:
   HangingHostResolver() : outstanding_request_(NULL) {}
 
-  virtual ~HangingHostResolver() {
-    EXPECT_TRUE(!has_outstanding_request());
-  }
+  ~HangingHostResolver() override { EXPECT_TRUE(!has_outstanding_request()); }
 
   bool has_outstanding_request() const {
     return outstanding_request_ != NULL;
   }
 
-  virtual int Resolve(const RequestInfo& info,
-                      RequestPriority priority,
-                      AddressList* addresses,
-                      const CompletionCallback& callback,
-                      RequestHandle* out_req,
-                      const BoundNetLog& net_log) override {
+  int Resolve(const RequestInfo& info,
+              RequestPriority priority,
+              AddressList* addresses,
+              const CompletionCallback& callback,
+              RequestHandle* out_req,
+              const BoundNetLog& net_log) override {
     EXPECT_FALSE(has_outstanding_request());
     outstanding_request_ = reinterpret_cast<RequestHandle>(0x1234);
     *out_req = outstanding_request_;
 
     // Never complete this request! Caller is expected to cancel it
     // before destroying the resolver.
     return ERR_IO_PENDING;
   }
 
-  virtual int ResolveFromCache(const RequestInfo& info,
-                               AddressList* addresses,
-                               const BoundNetLog& net_log) override {
+  int ResolveFromCache(const RequestInfo& info,
+                       AddressList* addresses,
+                       const BoundNetLog& net_log) override {
     NOTIMPLEMENTED();
     return ERR_UNEXPECTED;
   }
 
-  virtual void CancelRequest(RequestHandle req) override {
+  void CancelRequest(RequestHandle req) override {
     EXPECT_TRUE(has_outstanding_request());
     EXPECT_EQ(req, outstanding_request_);
     outstanding_request_ = NULL;
   }
 
  private:
   RequestHandle outstanding_request_;
 
   DISALLOW_COPY_AND_ASSIGN(HangingHostResolver);
 };
@@ skipping 53 matching lines @@
   SingleRequestHostResolver single_request_resolver(&resolver);
   single_request_resolver.Cancel();
 
   // To pass, HangingHostResolver should not have received a cancellation
   // request (since there is nothing to cancel). If it does, it will crash.
 }
 
 } // namespace
 
 }  // namespace net