Standardize usage of virtual/override/final specifiers.

net/spdy/hpack_round_trip_test.cc

 // Copyright 2014 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.
 
 #include <cmath>
 #include <ctime>
 #include <map>
 #include <string>
 #include <vector>
 
@@ skipping 10 matching lines @@
 using std::vector;
 
 namespace {
 
 class HpackRoundTripTest : public ::testing::Test {
  protected:
   HpackRoundTripTest()
       : encoder_(ObtainHpackHuffmanTable()),
         decoder_(ObtainHpackHuffmanTable()) {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     // Use a small table size to tickle eviction handling.
     encoder_.ApplyHeaderTableSizeSetting(256);
     decoder_.ApplyHeaderTableSizeSetting(256);
   }
 
   bool RoundTrip(const map<string, string>& header_set) {
     string encoded;
     encoder_.EncodeHeaderSet(header_set, &encoded);
 
     bool success = decoder_.HandleControlFrameHeadersData(
@@ skipping 131 matching lines @@
       }
       headers[name] = value;
     }
     EXPECT_TRUE(RoundTrip(headers));
   }
 }
 
 }  // namespace
 
 }  // namespace net