Add OVERRIDE to net/.

net/base/test_host_resolver_observer.h

 // Copyright (c) 2011 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 NET_BASE_TEST_HOST_RESOLVER_OBSERVER_H_
 #define NET_BASE_TEST_HOST_RESOLVER_OBSERVER_H_
 #pragma once
 
 #include "net/base/host_resolver.h"
 
 #include <vector>
 
 namespace net {
 
 bool operator==(const HostResolver::RequestInfo& a,
                 const HostResolver::RequestInfo& b);
 
 // Observer that just makes note of how it was called. The test code can then
 // inspect to make sure it was called with the right parameters.  Used by
 // HostResolverImpl and AsyncHostResolver unit tests.
 class TestHostResolverObserver : public HostResolver::Observer {
  public:
   TestHostResolverObserver();
   virtual ~TestHostResolverObserver();
 
   // HostResolver::Observer methods:
-  virtual void OnStartResolution(int id, const HostResolver::RequestInfo& info);
+  virtual void OnStartResolution(
+      int id,
+      const HostResolver::RequestInfo& info) OVERRIDE;
   virtual void OnFinishResolutionWithStatus(
       int id,
       bool was_resolved,
-      const HostResolver::RequestInfo& info);
+      const HostResolver::RequestInfo& info) OVERRIDE;
   virtual void OnCancelResolution(
       int id,
-      const HostResolver::RequestInfo& info);
+      const HostResolver::RequestInfo& info) OVERRIDE;
 
   // Tuple (id, info).
   struct StartOrCancelEntry {
     StartOrCancelEntry(int id, const HostResolver::RequestInfo& info)
         : id(id), info(info) {}
 
     bool operator==(const StartOrCancelEntry& other) const {
       return id == other.id && info == other.info;
     }
 
@@ skipping 19 matching lines @@
   };
 
   std::vector<StartOrCancelEntry> start_log;
   std::vector<FinishEntry> finish_log;
   std::vector<StartOrCancelEntry> cancel_log;
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_TEST_HOST_RESOLVER_OBSERVER_H_