Mojo C++ bindings: switch components/filesystem mojom target to use STL types.

services/catalog/public/cpp/resource_loader.cc

Index: services/catalog/public/cpp/resource_loader.cc
diff --git a/services/catalog/public/cpp/resource_loader.cc b/services/catalog/public/cpp/resource_loader.cc
index e8c7475cc9b346117c789616abc0776c5943b901..4eb8c63e2bab4c48718f649a99f2d62b5ba4fed4 100644
--- a/services/catalog/public/cpp/resource_loader.cc
+++ b/services/catalog/public/cpp/resource_loader.cc
@@ -33,8 +33,7 @@ ResourceLoader::~ResourceLoader() {}
 
 bool ResourceLoader::OpenFiles(filesystem::mojom::DirectoryPtr directory,
                                const std::set<std::string>& paths) {
-  mojo::Array<filesystem::mojom::FileOpenDetailsPtr> details(
-      mojo::Array<filesystem::mojom::FileOpenDetailsPtr>::New(paths.size()));
+  std::vector<filesystem::mojom::FileOpenDetailsPtr> details(paths.size());
   size_t i = 0;
   for (const auto& path : paths) {
     filesystem::mojom::FileOpenDetailsPtr open_details(
@@ -45,8 +44,7 @@ bool ResourceLoader::OpenFiles(filesystem::mojom::DirectoryPtr directory,
     details[i++] = std::move(open_details);
   }
 
-  mojo::Array<filesystem::mojom::FileOpenResultPtr> results(
-      mojo::Array<filesystem::mojom::FileOpenResultPtr>::New(paths.size()));
+  std::vector<filesystem::mojom::FileOpenResultPtr> results;
   if (!directory->OpenFileHandles(std::move(details), &results))
     return false;