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

base/directory_watcher_win.cc

Index: base/directory_watcher_win.cc
diff --git a/base/directory_watcher_win.cc b/base/directory_watcher_win.cc
index a1e3ff7564be222af5dbee236a1d68d535024bf2..883c3244219e4ca207daa769ef4a3e66c74f24fd 100644
--- a/base/directory_watcher_win.cc
+++ b/base/directory_watcher_win.cc
@@ -47,15 +47,9 @@ 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)