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..bfb603abb696cf7beef3221688816752bb042d90 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,

[Mattias Nissler (ping if slow), 2012/11/22 08:51:34]

nit: no need to break the line.

[kmadhusu, 2012/12/03 20:11:36]

Done.

+                            Delegate* delegate) {
   DCHECK(path.IsAbsolute());
-  return impl_->Watch(path, delegate);
+  return impl_->Watch(path, false, delegate);
 }
 
 FilePathWatcher::PlatformDelegate::PlatformDelegate(): cancelled_(false) {
@@ -62,8 +63,11 @@ 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) {
+  DCHECK(path.IsAbsolute());
+  return impl_->Watch(path, recursive, new FilePathWatcherDelegate(callback));
 }
 
 }  // namespace files