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

base/files/file_path_watcher.cc

Index: base/files/file_path_watcher.cc
diff --git a/base/files/file_path_watcher.cc b/base/files/file_path_watcher.cc
index dd2b37fc78d80a937c00afcb803cfc784970047b..98da0eb6ea0ba249f49c025e16ebf6b1e8a0e29b 100644
--- a/base/files/file_path_watcher.cc
+++ b/base/files/file_path_watcher.cc
@@ -50,9 +50,10 @@ void FilePathWatcher::CancelWatch(
   delegate->CancelOnMessageLoopThread();
 }
 
-bool FilePathWatcher::Watch(const FilePath& path, Delegate* delegate) {
+bool FilePathWatcher::Watch(const FilePath& path, bool recursive,
+                            Delegate* delegate) {
   DCHECK(path.IsAbsolute());
-  return impl_->Watch(path, delegate);
+  return impl_->Watch(path, recursive, delegate);
 }
 
 FilePathWatcher::PlatformDelegate::PlatformDelegate(): cancelled_(false) {
@@ -62,8 +63,9 @@ FilePathWatcher::PlatformDelegate::~PlatformDelegate() {
   DCHECK(is_cancelled());
 }
 
-bool FilePathWatcher::Watch(const FilePath& path, const Callback& callback) {
-  return Watch(path, new FilePathWatcherDelegate(callback));
+bool FilePathWatcher::Watch(const FilePath& path, bool recursive,
+                            const Callback& callback) {
+  return Watch(path, recursive, new FilePathWatcherDelegate(callback));
 }
 
 }  // namespace files