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

chrome/browser/user_style_sheet_watcher.cc

Index: chrome/browser/user_style_sheet_watcher.cc
diff --git a/chrome/browser/user_style_sheet_watcher.cc b/chrome/browser/user_style_sheet_watcher.cc
index acfe17845a12e3e387ed83b8c1be3230f791e886..5a93f17eaac590243eae406ab64bf4c8f505d979 100644
--- a/chrome/browser/user_style_sheet_watcher.cc
+++ b/chrome/browser/user_style_sheet_watcher.cc
@@ -161,11 +161,8 @@ void UserStyleSheetWatcher::Init() {
     file_watcher_.reset(new FilePathWatcher);
     FilePath style_sheet_file = profile_path_.AppendASCII(kStyleSheetDir)
                                              .AppendASCII(kUserStyleSheetFile);
-    if (!file_watcher_->Watch(
-        style_sheet_file,
-        loader_.get())) {
+    if (!file_watcher_->Watch(style_sheet_file, false, loader_.get()))
       LOG(ERROR) << "Failed to setup watch for " << style_sheet_file.value();
-    }
     loader_->LoadStyleSheet(style_sheet_file);
   }
 }