FilePathWatcher::Watch() - Listen for sub directory changes.

remoting/host/config_file_watcher.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 "remoting/host/config_file_watcher.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 104 matching lines @@
   // Create the timer that will be used for delayed-reading the configuration
   // file.
   config_updated_timer_.reset(new base::DelayTimer<ConfigFileWatcherImpl>(
       FROM_HERE, base::TimeDelta::FromSeconds(2), this,
       &ConfigFileWatcherImpl::ReloadConfig));
 
   // Start watching the configuration file.
   config_watcher_.reset(new base::files::FilePathWatcher());
   config_path_ = config_path;
   if (!config_watcher_->Watch(
-      config_path_,
-      base::Bind(&ConfigFileWatcherImpl::OnConfigUpdated, this))) {
+          config_path_, false,
+          base::Bind(&ConfigFileWatcherImpl::OnConfigUpdated, this))) {
     LOG(ERROR) << "Couldn't watch file '" << config_path_.value() << "'";
     main_task_runner_->PostTask(
         FROM_HERE,
         base::Bind(&ConfigFileWatcher::Delegate::OnConfigWatcherError,
                    delegate_));
     return;
   }
 
   // Force reloading of the configuration file at least once.
   ReloadConfig();
@@ skipping 47 matching lines @@
   if (config_ != config) {
     config_ = config;
     main_task_runner_->PostTask(
         FROM_HERE,
         base::Bind(&ConfigFileWatcher::Delegate::OnConfigUpdated, delegate_,
                    config_));
   }
 }
 
 }  // namespace remoting