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

net/tools/quic/quic_epoll_connection_helper_test.cc

 // Copyright (c) 2012 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 "net/tools/quic/quic_epoll_connection_helper.h"
 
 #include "net/quic/crypto/crypto_protocol.h"
 #include "net/quic/crypto/quic_decrypter.h"
 #include "net/quic/crypto/quic_encrypter.h"
 #include "net/quic/crypto/quic_random.h"
@@ skipping 15 matching lines @@
 namespace net {
 namespace tools {
 namespace test {
 namespace {
 
 const char data1[] = "foo";
 const bool kHasData = true;
 
 class TestConnectionHelper : public QuicEpollConnectionHelper {
  public:
-    TestConnectionHelper(int fd, EpollServer* eps)
-        : QuicEpollConnectionHelper(fd, eps) {
-    }
+  TestConnectionHelper(int fd, EpollServer* eps)
+      : QuicEpollConnectionHelper(fd, eps) {
+  }
 
   virtual int WritePacketToWire(const QuicEncryptedPacket& packet,
-                                int* error) {
+                                int* error) OVERRIDE {
     QuicFramer framer(kQuicVersion1,
                       QuicDecrypter::Create(kNULL),
                       QuicEncrypter::Create(kNULL),
                       QuicTime::Zero(),
                       true);
     FramerVisitorCapturingFrames visitor;
     framer.set_visitor(&visitor);
     EXPECT_TRUE(framer.ProcessPacket(packet));
     header_ = *visitor.header();
     *error = 0;
@@ skipping 146 matching lines @@
           testing::Return(QuicTime::Delta::Zero()));
   EXPECT_CALL(visitor_, OnCanWrite()).WillOnce(testing::Return(true));
   epoll_server_.AdvanceByAndCallCallbacks(1);
   EXPECT_EQ(0u, connection_.NumQueuedPackets());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace tools
 }  // namespace net