Apps: Grant sufficient permissions to the filesystem opened by fileSystem API

chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc

Index: chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc
diff --git a/chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc b/chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc
index 78eb12a32d9339355b8c1c62e21c2816eeeb5cd9..9d0a5cd149e08ae5b93c88163abdec4ebb84fbc3 100644
--- a/chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc
+++ b/chrome/browser/extensions/api/file_handlers/app_file_handler_util.cc
@@ -333,10 +333,12 @@ GrantedFileEntry CreateFileEntry(
       content::ChildProcessSecurityPolicy::GetInstance();
   policy->GrantReadFileSystem(renderer_id, result.filesystem_id);
   if (HasFileSystemWritePermission(extension)) {
-    policy->GrantWriteFileSystem(renderer_id, result.filesystem_id);
-    policy->GrantDeleteFromFileSystem(renderer_id, result.filesystem_id);
-    if (is_directory)
-      policy->GrantCreateFileForFileSystem(renderer_id, result.filesystem_id);
+    if (is_directory) {
+      policy->GrantCreateReadWriteFileSystem(renderer_id, result.filesystem_id);
+    } else {
+      policy->GrantWriteFileSystem(renderer_id, result.filesystem_id);
+      policy->GrantDeleteFromFileSystem(renderer_id, result.filesystem_id);
+    }
   }
 
   result.id = result.filesystem_id + ":" + result.registered_name;