Use FileWatcher to watch system resolver config, on systems that require...

chrome/browser/browser_main.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_main.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 72 matching lines @@
 #include "chrome/common/logging_chrome.h"
 #include "chrome/common/main_function_params.h"
 #include "chrome/common/net/net_resource_provider.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/result_codes.h"
 #include "chrome/installer/util/google_update_settings.h"
 #include "grit/app_locale_settings.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "net/base/cookie_monster.h"
+#include "net/base/dns_reload_timer.h"
 #include "net/base/net_module.h"
 #include "net/base/network_change_notifier.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_stream_factory.h"
 #include "net/socket/client_socket_pool_base.h"
 #include "net/socket/client_socket_pool_manager.h"
 #include "net/socket/tcp_client_socket.h"
 #include "net/spdy/spdy_session.h"
 #include "net/spdy/spdy_session_pool.h"
 #include "net/url_request/url_request.h"
@@ skipping 1152 matching lines @@
   CreateChildThreads(browser_process.get());
 
 #if defined(OS_CHROMEOS)
   // Now that the file thread exists we can record our stats.
   chromeos::BootTimesLoader::Get()->RecordChromeMainStats();
   // Change the UI font if necessary. This has to be done after
   // InitSharedInstance() is called, as it depends on resource data.
   MaybeChangeUIFont();
 #endif
 
+#if WATCH_RESOLV_CONF
+  net::InitResolvConfWatcher(browser_process->file_thread());
+#endif
+
   // Record last shutdown time into a histogram.
   browser_shutdown::ReadLastShutdownInfo();
 
 #if defined(OS_WIN)
   // On Windows, we use our startup as an opportunity to do upgrade/uninstall
   // tasks.  Those care whether the browser is already running.  On Linux/Mac,
   // upgrade/uninstall happen separately.
   bool already_running = Upgrade::IsBrowserAlreadyRunning();
 
   // If the command line specifies 'uninstall' then we need to work here
@@ skipping 460 matching lines @@
 #if defined(OS_CHROMEOS)
   // To be precise, logout (browser shutdown) is not yet done, but the
   // remaining work is negligible, hence we say LogoutDone here.
   chromeos::BootTimesLoader::Get()->AddLogoutTimeMarker("LogoutDone",
                                                         false);
   chromeos::BootTimesLoader::Get()->WriteLogoutTimes();
 #endif
   TRACE_EVENT_END("BrowserMain", 0, 0);
   return result_code;
 }