replace OVERRIDE and FINAL with override and final in chromeos/

chromeos/network/host_resolver_impl_chromeos.cc

Index: chromeos/network/host_resolver_impl_chromeos.cc
diff --git a/chromeos/network/host_resolver_impl_chromeos.cc b/chromeos/network/host_resolver_impl_chromeos.cc
index 57e0c442938fc604739662a256ca7ed36e6a7278..4c237f5161e4a71724d76ec5fe1742583541f593 100644
--- a/chromeos/network/host_resolver_impl_chromeos.cc
+++ b/chromeos/network/host_resolver_impl_chromeos.cc
@@ -52,7 +52,7 @@ class HostResolverImplChromeOS::NetworkObserver
   }
 
   // NetworkStateHandlerObserver
-  virtual void DefaultNetworkChanged(const NetworkState* network) OVERRIDE {
+  virtual void DefaultNetworkChanged(const NetworkState* network) override {
     if (!network) {
       DVLOG(2) << "DefaultNetworkChanged: No Network.";
       CallResolverSetIpAddress("", "");
@@ -92,7 +92,7 @@ class HostResolverImplChromeOS::NetworkObserver
     CallResolverSetIpAddress(ipv4_address, ipv6_address);
   }
 
-  virtual void IsShuttingDown() OVERRIDE {
+  virtual void IsShuttingDown() override {
     delete this;
   }