1 files changed, 2 insertions, 2 deletions
diff --git a/dom/events/DataTransfer.cpp b/dom/events/DataTransfer.cpp
index ba56575749..b2f70dab54 100644
--- a/dom/events/DataTransfer.cpp
+++ b/dom/events/DataTransfer.cpp
@@ -909,7 +909,7 @@ already_AddRefed<nsITransferable> DataTransfer::GetTransferable(
   // from another origin or from the OS.
   if (mMode == Mode::ReadWrite) {
     if (nsCOMPtr<nsIGlobalObject> global = GetGlobal()) {
-      transferable->SetRequestingPrincipal(global->PrincipalOrNull());
+      transferable->SetDataPrincipal(global->PrincipalOrNull());
     }
   }
 
@@ -1083,7 +1083,7 @@ already_AddRefed<nsITransferable> DataTransfer::GetTransferable(
               static_cast<char*>(stringBuffer->Data())[amountRead] = 0;
 
               nsCString str;
-              stringBuffer->ToString(totalCustomLength, str);
+              str.Assign(stringBuffer, totalCustomLength);
               nsCOMPtr<nsISupportsCString> strSupports(
                   do_CreateInstance(NS_SUPPORTS_CSTRING_CONTRACTID));
               strSupports->SetData(str);