1 files changed, 16 insertions, 0 deletions
diff --git a/dom/base/nsDocument.cpp b/dom/base/nsDocument.cpp
index eaea49b02..d5954a62c 100644
--- a/dom/base/nsDocument.cpp
+++ b/dom/base/nsDocument.cpp
@@ -12846,3 +12846,19 @@ nsDocument::CheckCustomElementName(const ElementCreationOptions& aOptions,
 
   return is;
 }
+
+Selection*
+nsIDocument::GetSelection(ErrorResult& aRv)
+{
+  nsCOMPtr<nsPIDOMWindowInner> window = GetInnerWindow();
+  if (!window) {
+    return nullptr;
+  }
+
+  NS_ASSERTION(window->IsInnerWindow(), "Should have inner window here!");
+  if (!window->IsCurrentInnerWindow()) {
+    return nullptr;
+  }
+
+  return nsGlobalWindow::Cast(window)->GetSelection(aRv);
+}