replace OVERRIDE and FINAL with override and final in net/

net/dns/mock_host_resolver.h

Index: net/dns/mock_host_resolver.h
diff --git a/net/dns/mock_host_resolver.h b/net/dns/mock_host_resolver.h
index 3593fbdfe9183eaa1a8c3039cd79018ee746b469..9d5339f0d8c43209451673188095989dbda5340a 100644
--- a/net/dns/mock_host_resolver.h
+++ b/net/dns/mock_host_resolver.h
@@ -79,12 +79,12 @@ class MockHostResolverBase : public HostResolver,
                       AddressList* addresses,
                       const CompletionCallback& callback,
                       RequestHandle* out_req,
-                      const BoundNetLog& net_log) OVERRIDE;
+                      const BoundNetLog& net_log) override;
   virtual int ResolveFromCache(const RequestInfo& info,
                                AddressList* addresses,
-                               const BoundNetLog& net_log) OVERRIDE;
-  virtual void CancelRequest(RequestHandle req) OVERRIDE;
-  virtual HostCache* GetHostCache() OVERRIDE;
+                               const BoundNetLog& net_log) override;
+  virtual void CancelRequest(RequestHandle req) override;
+  virtual HostCache* GetHostCache() override;
 
   // Resolves all pending requests. It is only valid to invoke this if
   // set_ondemand_mode was set before. The requests are resolved asynchronously,
@@ -206,7 +206,7 @@ class RuleBasedHostResolverProc : public HostResolverProc {
                       AddressFamily address_family,
                       HostResolverFlags host_resolver_flags,
                       AddressList* addrlist,
-                      int* os_error) OVERRIDE;
+                      int* os_error) override;
 
  private:
   struct Rule;
@@ -228,11 +228,11 @@ class HangingHostResolver : public HostResolver {
                       AddressList* addresses,
                       const CompletionCallback& callback,
                       RequestHandle* out_req,
-                      const BoundNetLog& net_log) OVERRIDE;
+                      const BoundNetLog& net_log) override;
   virtual int ResolveFromCache(const RequestInfo& info,
                                AddressList* addresses,
-                               const BoundNetLog& net_log) OVERRIDE;
-  virtual void CancelRequest(RequestHandle req) OVERRIDE {}
+                               const BoundNetLog& net_log) override;
+  virtual void CancelRequest(RequestHandle req) override {}
 };
 
 // This class sets the default HostResolverProc for a particular scope.  The