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-rw-r--r--js/loader/LoadContextBase.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/js/loader/LoadContextBase.h b/js/loader/LoadContextBase.h
index a8ce045546..5dc78070cb 100644
--- a/js/loader/LoadContextBase.h
+++ b/js/loader/LoadContextBase.h
@@ -52,6 +52,9 @@ class LoadContextBase : public nsISupports {
// Used to output a string for the Gecko Profiler.
virtual void GetProfilerLabel(nsACString& aOutString);
+ // Whether this is a preload, for contexts that support them.
+ virtual bool IsPreload() const { return false; }
+
// Casting to the different contexts
bool IsWindowContext() const { return mKind == ContextKind::Window; }
mozilla::dom::ScriptLoadContext* AsWindowContext();