Add mojom module suffix in .mojom files for components/filesystem.

services/catalog/public/cpp/resource_loader.h

Index: services/catalog/public/cpp/resource_loader.h
diff --git a/services/catalog/public/cpp/resource_loader.h b/services/catalog/public/cpp/resource_loader.h
index 1d6033c6e6c0f0f26e9b4002813a575ccd3f08a3..738be3635f2bdd4e774e4e8133e7e0f65de2ad92 100644
--- a/services/catalog/public/cpp/resource_loader.h
+++ b/services/catalog/public/cpp/resource_loader.h
@@ -30,7 +30,7 @@ class ResourceLoader {
   // (Synchronously) opens all of the files in |paths| for reading. Use
   // TakeFile() subsequently to obtain base::Files to use. Returns true if the
   // sync operation completed, false if it did not.
-  bool OpenFiles(filesystem::DirectoryPtr directory,
+  bool OpenFiles(filesystem::mojom::DirectoryPtr directory,
                  const std::set<std::string>& paths);
 
   // Releases and returns the file wrapping the handle.