From 1f5c67934f05d036de575c3d8172587fa6d398bc Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <email@mattatobin.com>
Date: Thu, 16 Apr 2020 17:51:36 -0400
Subject: Bug 1343937 - Fix a crash in nsWrapperCache.h

* Implement and use GetInFlowParent
* Exempt scrollbar NAC from the new NAC semantics

Tag #1375
---
 dom/base/nsIContent.h | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'dom')

diff --git a/dom/base/nsIContent.h b/dom/base/nsIContent.h
index ff0c57e8c..edb0d69f3 100644
--- a/dom/base/nsIContent.h
+++ b/dom/base/nsIContent.h
@@ -950,6 +950,14 @@ public:
     return false;
   }
 
+  // Returns true if this element is native-anonymous scrollbar content.
+  bool IsNativeScrollbarContent() const {
+    return IsNativeAnonymous() &&
+           IsAnyOfXULElements(nsGkAtoms::scrollbar,
+                              nsGkAtoms::resizer,
+                              nsGkAtoms::scrollcorner);
+  }
+
   // Overloaded from nsINode
   virtual already_AddRefed<nsIURI> GetBaseURI(bool aTryUseXHRDocBaseURI = false) const override;
 
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