Fix classes that have too many virtuals for inline constructors.

net/tools/flip_server/mem_cache.cc

 // Copyright (c) 2009 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/flip_server/mem_cache.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
@@ skipping 11 matching lines @@
 #include "net/tools/flip_server/url_to_filename_encoder.h"
 #include "net/tools/flip_server/url_utilities.h"
 
 namespace {
 // The directory where cache locates);
 const char FLAGS_cache_base_dir[] = ".";
 }  // namespace
 
 namespace net {
 
+StoreBodyAndHeadersVisitor::StoreBodyAndHeadersVisitor() = default;
+
 void StoreBodyAndHeadersVisitor::ProcessBodyData(const char* input,
                                                  size_t size) {
   body.append(input, size);
 }
 
 void StoreBodyAndHeadersVisitor::HandleHeaderError(BalsaFrame* framer) {
   HandleError();
 }
 
 void StoreBodyAndHeadersVisitor::HandleHeaderWarning(BalsaFrame* framer) {
@@ skipping 201 matching lines @@
 }
 
 void MemoryCache::ClearFiles() {
   for (Files::const_iterator i = files_.begin(); i != files_.end(); ++i) {
     delete i->second;
   }
   files_.clear();
 }
 
 }  // namespace net