Fix classes that have too many virtuals for inline constructors.

net/quic/test_tools/quic_test_utils.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/quic/test_tools/quic_test_utils.h"
 
 #include "base/sha1.h"
 #include "base/stl_util.h"
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/crypto/crypto_framer.h"
@@ skipping 124 matching lines @@
 
   ON_CALL(*this, OnConnectionCloseFrame(_))
       .WillByDefault(testing::Return(true));
 
   ON_CALL(*this, OnGoAwayFrame(_))
       .WillByDefault(testing::Return(true));
 }
 
 MockFramerVisitor::~MockFramerVisitor() {}
 
+NoOpFramerVisitor::NoOpFramerVisitor() = default;
+
 bool NoOpFramerVisitor::OnProtocolVersionMismatch(QuicVersion version) {
   return false;
 }
 
 bool NoOpFramerVisitor::OnUnauthenticatedPublicHeader(
     const QuicPacketPublicHeader& header) {
   return true;
 }
 
 bool NoOpFramerVisitor::OnUnauthenticatedHeader(
@@ skipping 658 matching lines @@
   // strike register worries that we've just overflowed a uint32 time.
   (*server_connection)->AdvanceTime(connection_start_time);
 }
 
 QuicStreamId QuicClientDataStreamId(int i) {
   return kClientDataStreamId1 + 2 * i;
 }
 
 }  // namespace test
 }  // namespace net