[FileBrowser] Added DefaultAction dialog to choose default action.

chrome/browser/resources/file_manager/main.html

Index: chrome/browser/resources/file_manager/main.html
diff --git a/chrome/browser/resources/file_manager/main.html b/chrome/browser/resources/file_manager/main.html
index ef3ea2ddf46da9ef67ee341cc0b217dce1f98ed5..b76854bf39b3cbfa54a6b3c87f705c29531281c8 100644
--- a/chrome/browser/resources/file_manager/main.html
+++ b/chrome/browser/resources/file_manager/main.html
@@ -76,6 +76,7 @@
       <script src="js/file_type.js"></script>
       <script src="js/metadata/metadata_provider.js"></script>
       <script src="js/metadata/metadata_cache.js"></script>
+      <script src="js/default_action_dialog.js"></script>
       <!-- For accurate load performance tracking main.js should be
            the last script to include. -->
       <script src="js/main.js"></script>