Revert of [Extensions] Update more bindings and allow for multiple feature access

extensions/renderer/file_system_natives.cc

Index: extensions/renderer/file_system_natives.cc
diff --git a/extensions/renderer/file_system_natives.cc b/extensions/renderer/file_system_natives.cc
index f5a7b1f8b0b2127df44ce1698533b4eb558c98c3..2b7006299a22ccf092ead1089d4f07640474cabc 100644
--- a/extensions/renderer/file_system_natives.cc
+++ b/extensions/renderer/file_system_natives.cc
@@ -21,12 +21,11 @@
     : ObjectBackedNativeHandler(context) {
   RouteFunction(
       "GetFileEntry",
-      "syncFileSystem",
       base::Bind(&FileSystemNatives::GetFileEntry, base::Unretained(this)));
   RouteFunction("GetIsolatedFileSystem",
                 base::Bind(&FileSystemNatives::GetIsolatedFileSystem,
                            base::Unretained(this)));
-  RouteFunction("CrackIsolatedFileSystemName", "fileSystem",
+  RouteFunction("CrackIsolatedFileSystemName",
                 base::Bind(&FileSystemNatives::CrackIsolatedFileSystemName,
                            base::Unretained(this)));
 }