Extracting NetLog inner classes into their own classes.

ios/chrome/browser/net/ios_chrome_network_delegate.cc

 // Copyright 2015 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 "ios/chrome/browser/net/ios_chrome_network_delegate.h"
 
 #include <stdlib.h>
 
 #include "base/base_paths.h"
 #include "base/debug/alias.h"
 #include "base/debug/dump_without_crashing.h"
 #include "base/debug/stack_trace.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/metrics/user_metrics.h"
 #include "base/path_service.h"
 #include "base/profiler/scoped_tracker.h"
 #include "components/prefs/pref_member.h"
 #include "components/prefs/pref_service.h"
 #include "ios/chrome/browser/pref_names.h"
 #include "ios/web/public/web_thread.h"
 #include "net/base/load_flags.h"
 #include "net/base/net_errors.h"
 #include "net/cookies/cookie_options.h"
 #include "net/http/http_status_code.h"
-#include "net/log/net_log.h"
 #include "net/url_request/url_request.h"
 
 namespace {
 
 const char kDNTHeader[] = "DNT";
 
 void ReportInvalidReferrerSendOnUI() {
   base::RecordAction(
       base::UserMetricsAction("Net.URLRequest_StartJob_InvalidReferrer"));
 }
@@ skipping 129 matching lines @@
 }
 
 bool IOSChromeNetworkDelegate::
     OnCancelURLRequestWithPolicyViolatingReferrerHeader(
         const net::URLRequest& request,
         const GURL& target_url,
         const GURL& referrer_url) const {
   ReportInvalidReferrerSend(target_url, referrer_url);
   return true;
 }