replace OVERRIDE and FINAL with override and final in net/

net/http/http_auth_cache_unittest.cc

Index: net/http/http_auth_cache_unittest.cc
diff --git a/net/http/http_auth_cache_unittest.cc b/net/http/http_auth_cache_unittest.cc
index e925c71431646d8af6bcdb02b0e646577e4496c8..4002bab9b3b3887f68736f9591e1ef4bbef316e5 100644
--- a/net/http/http_auth_cache_unittest.cc
+++ b/net/http/http_auth_cache_unittest.cc
@@ -33,19 +33,19 @@ class MockAuthHandler : public HttpAuthHandler {
   }
 
   virtual HttpAuth::AuthorizationResult HandleAnotherChallenge(
-      HttpAuthChallengeTokenizer* challenge) OVERRIDE {
+      HttpAuthChallengeTokenizer* challenge) override {
     return HttpAuth::AUTHORIZATION_RESULT_REJECT;
   }
 
  protected:
-  virtual bool Init(HttpAuthChallengeTokenizer* challenge) OVERRIDE {
+  virtual bool Init(HttpAuthChallengeTokenizer* challenge) override {
     return false;  // Unused.
   }
 
   virtual int GenerateAuthTokenImpl(const AuthCredentials*,
                                     const HttpRequestInfo*,
                                     const CompletionCallback& callback,
-                                    std::string* auth_token) OVERRIDE {
+                                    std::string* auth_token) override {
     *auth_token = "mock-credentials";
     return OK;
   }