Enable non-recursive watches for Windows DirectoryWatcher....

base/directory_watcher_win.cc

 // Copyright (c) 2006-2008 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 "base/directory_watcher.h"
 
 #include "base/file_path.h"
 #include "base/logging.h"
 #include "base/object_watcher.h"
 #include "base/ref_counted.h"
@@ skipping 29 matching lines @@
   if (handle_ != INVALID_HANDLE_VALUE) {
     watcher_.StopWatching();
     FindCloseChangeNotification(handle_);
   }
 }
 
 bool DirectoryWatcherImpl::Watch(const FilePath& path,
     DirectoryWatcher::Delegate* delegate, bool recursive) {
   DCHECK(path_.value().empty());  // Can only watch one path.
 
-  if (!recursive) {
-    // See http://crbug.com/5072.
-    NOTIMPLEMENTED();
-    return false;
-  }
-
   handle_ = FindFirstChangeNotification(
       path.value().c_str(),
-      TRUE,  // Watch subtree.
+      recursive,
       FILE_NOTIFY_CHANGE_FILE_NAME | FILE_NOTIFY_CHANGE_SIZE |
       FILE_NOTIFY_CHANGE_LAST_WRITE);
   if (handle_ == INVALID_HANDLE_VALUE)
     return false;
 
   delegate_ = delegate;
   path_ = path;
   watcher_.StartWatching(handle_, this);
 
   return true;
@@ skipping 10 matching lines @@
   BOOL ok = FindNextChangeNotification(object);
   DCHECK(ok);
   watcher_.StartWatching(object, this);
 }
 
 }  // namespace
 
 DirectoryWatcher::DirectoryWatcher() {
   impl_ = new DirectoryWatcherImpl();
 }