replace OVERRIDE and FINAL with override and final in net/

net/dns/dns_socket_pool.cc

Index: net/dns/dns_socket_pool.cc
diff --git a/net/dns/dns_socket_pool.cc b/net/dns/dns_socket_pool.cc
index b446fa07d62f204e2bc4565749c755dd6bf237b3..09aca5a83ce23e58e892e3991fa7fcc517529977 100644
--- a/net/dns/dns_socket_pool.cc
+++ b/net/dns/dns_socket_pool.cc
@@ -97,18 +97,18 @@ class NullDnsSocketPool : public DnsSocketPool {
 
   virtual void Initialize(
       const std::vector<IPEndPoint>* nameservers,
-      NetLog* net_log) OVERRIDE {
+      NetLog* net_log) override {
     InitializeInternal(nameservers, net_log);
   }
 
   virtual scoped_ptr<DatagramClientSocket> AllocateSocket(
-      unsigned server_index) OVERRIDE {
+      unsigned server_index) override {
     return CreateConnectedSocket(server_index);
   }
 
   virtual void FreeSocket(
       unsigned server_index,
-      scoped_ptr<DatagramClientSocket> socket) OVERRIDE {
+      scoped_ptr<DatagramClientSocket> socket) override {
   }
 
  private:
@@ -131,14 +131,14 @@ class DefaultDnsSocketPool : public DnsSocketPool {
 
   virtual void Initialize(
       const std::vector<IPEndPoint>* nameservers,
-      NetLog* net_log) OVERRIDE;
+      NetLog* net_log) override;
 
   virtual scoped_ptr<DatagramClientSocket> AllocateSocket(
-      unsigned server_index) OVERRIDE;
+      unsigned server_index) override;
 
   virtual void FreeSocket(
       unsigned server_index,
-      scoped_ptr<DatagramClientSocket> socket) OVERRIDE;
+      scoped_ptr<DatagramClientSocket> socket) override;
 
  private:
   void FillPool(unsigned server_index, unsigned size);