Replace sets with vectors when storing file handlers.

chrome/browser/resources/file_manager/manifest.json

Index: chrome/browser/resources/file_manager/manifest.json
diff --git a/chrome/browser/resources/file_manager/manifest.json b/chrome/browser/resources/file_manager/manifest.json
index 1f6f482097f37dfb472b1cd200a813d7b89fcd51..42b53a7ce5e1bf1ee50a277d44fadba398ee67f7 100644
--- a/chrome/browser/resources/file_manager/manifest.json
+++ b/chrome/browser/resources/file_manager/manifest.json
@@ -31,35 +31,6 @@
     "https://drive.google.com/"
   ],
   "file_browser_handlers": [
-    // Automatically opens a volume and later close Files.app when unmounted.
-    // TODO(mtomasz): Implement a better filtering than using file_filters.
-    {
-      "id": "auto-open",
-      "default_title": "__MSG_OPEN_ACTION__",
-      "default_icon": "images/filetype_generic.png",
-      "file_filters": [
-        "filesystem:*"
-      ]
-    },
-    // Selects the passed file after launching Files.app.
-    {
-      "id": "select",
-      "default_title": "__MSG_OPEN_ACTION__",
-      "default_icon": "images/filetype_generic.png",
-      "file_filters": [
-        "filesystem:*"
-      ]
-    },
-    // Opens the passed directory after launching Files.app.
-    // TODO(mtomasz): Implement a directories filtering instead of files.
-    {
-      "id": "open",
-      "default_title": "__MSG_OPEN_ACTION__",
-      "default_icon": "images/filetype_generic.png",
-      "file_filters": [
-        "filesystem:*"
-      ]
-    },
     {
       "id": "play",
       "default_title": "__MSG_PLAY_MEDIA__",
@@ -207,6 +178,29 @@
       "file_filters": [
         "filesystem:*.gslides"
       ]
+    },
+    // The following handlers are used only internally, therefore they do not
+    // have any file filter.
+    // Automatically opens a volume and later close Files.app when unmounted.
+    {
+      "id": "auto-open",
+      "default_title": "__MSG_OPEN_ACTION__",
+      "default_icon": "images/filetype_generic.png",
+      "file_filters": []
+    },
+    // Selects the passed file after launching Files.app.
+    {
+      "id": "select",
+      "default_title": "__MSG_OPEN_ACTION__",
+      "default_icon": "images/filetype_generic.png",
+      "file_filters": []
+    },
+    // Opens the passed directory after launching Files.app.
+    {
+      "id": "open",
+      "default_title": "__MSG_OPEN_ACTION__",
+      "default_icon": "images/filetype_generic.png",
+      "file_filters": []
     }
   ],
   "chrome_url_overrides": {