Update NetLog to be thread safe.

chrome/browser/browser_process_impl.cc

 // Copyright (c) 2010 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 "chrome/browser/browser_process_impl.h"
 
 #include <map>
 
 #include "app/clipboard/clipboard.h"
 #include "app/l10n_util.h"
@@ skipping 14 matching lines @@
 #include "chrome/browser/debugger/debugger_wrapper.h"
 #include "chrome/browser/debugger/devtools_manager.h"
 #include "chrome/browser/download/download_file_manager.h"
 #include "chrome/browser/download/save_file_manager.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/google/google_url_tracker.h"
 #include "chrome/browser/icon_manager.h"
 #include "chrome/browser/intranet_redirect_detector.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/browser/metrics/metrics_service.h"
+#include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/predictor_api.h"
 #include "chrome/browser/net/sdch_dictionary_fetcher.h"
 #include "chrome/browser/net/sqlite_persistent_cookie_store.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/plugin_service.h"
 #include "chrome/browser/plugin_updater.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/printing/print_job_manager.h"
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/profile_manager.h"
@@ skipping 59 matching lines @@
       using_new_frames_(false),
       have_inspector_files_(true) {
   g_browser_process = this;
   clipboard_.reset(new Clipboard);
   main_notification_service_.reset(new NotificationService);
 
   // Must be created after the NotificationService.
   print_job_manager_.reset(new printing::PrintJobManager);
 
   shutdown_event_.reset(new base::WaitableEvent(true, false));
+
+  net_log_.reset(new ChromeNetLog);
 }
 
 BrowserProcessImpl::~BrowserProcessImpl() {
   FilePath profile_path;
   bool clear_local_state_on_exit;
 
   // Store the profile path for clearing local state data on exit.
   clear_local_state_on_exit = ShouldClearLocalState(&profile_path);
 
   // Delete the AutomationProviderList before NotificationService,
@@ skipping 431 matching lines @@
 #if defined(USE_X11)
   // The lifetime of the BACKGROUND_X11 thread is a subset of the IO thread so
   // we start it now.
   scoped_ptr<base::Thread> background_x11_thread(
       new BrowserProcessSubThread(BrowserThread::BACKGROUND_X11));
   if (!background_x11_thread->Start())
     return;
   background_x11_thread_.swap(background_x11_thread);
 #endif
 
-  scoped_ptr<IOThread> thread(new IOThread(local_state()));
+  scoped_ptr<IOThread> thread(new IOThread(local_state(), net_log_.get()));
   base::Thread::Options options;
   options.message_loop_type = MessageLoop::TYPE_IO;
   if (!thread->StartWithOptions(options))
     return;
   io_thread_.swap(thread);
 }
 
 void BrowserProcessImpl::CreateFileThread() {
   DCHECK(!created_file_thread_ && file_thread_.get() == NULL);
   created_file_thread_ = true;
@@ skipping 240 matching lines @@
 }
 
 void BrowserProcessImpl::OnAutoupdateTimer() {
   if (CanAutorestartForUpdate()) {
     DLOG(WARNING) << "Detected update.  Restarting browser.";
     RestartPersistentInstance();
   }
 }
 
 #endif  // (defined(OS_WIN) || defined(OS_LINUX)) && !defined(OS_CHROMEOS)