Warn on missing OVERRIDE/virtual everywhere, not just in header files.

net/quic/congestion_control/inter_arrival_bitrate_ramp_up_test.cc

 // Copyright (c) 2013 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 "base/basictypes.h"
 #include "base/logging.h"
 #include "net/quic/congestion_control/inter_arrival_bitrate_ramp_up.h"
 #include "net/quic/test_tools/mock_clock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
 
 class InterArrivalBitrateRampUpTest : public ::testing::Test {
  protected:
   InterArrivalBitrateRampUpTest()
       : one_ms_(QuicTime::Delta::FromMilliseconds(1)),
         hundred_ms_(QuicTime::Delta::FromMilliseconds(100)),
         bitrate_ramp_up_(&clock_) {
   }
-  void SetUp() {
+  virtual void SetUp() {
     clock_.AdvanceTime(one_ms_);
   }
   const QuicTime::Delta one_ms_;
   const QuicTime::Delta hundred_ms_;
   MockClock clock_;
   InterArrivalBitrateRampUp bitrate_ramp_up_;
 };
 
 TEST_F(InterArrivalBitrateRampUpTest, GoodEstimates) {
   QuicBandwidth start_rate = QuicBandwidth::FromKBytesPerSecond(100);
@@ skipping 363 matching lines @@
     EXPECT_GE(channel_estimate, sent_bitrate);
     EXPECT_LE(halfway_point, sent_bitrate);
   }
   clock_.AdvanceTime(hundred_ms_);
   sent_bitrate = bitrate_ramp_up_.GetNewBitrate(sent_bitrate);
   EXPECT_LE(channel_estimate, sent_bitrate);
 }
 
 }  // namespace test
 }  // namespace net