From 9dce66f58910b0d1363be3a8e3b5232d79692516 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Sat, 20 Jul 2019 18:08:16 +0200
Subject: Use WeakPtr for extension parent pointer.

---
 dom/canvas/WebGLContext.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'dom/canvas/WebGLContext.h')

diff --git a/dom/canvas/WebGLContext.h b/dom/canvas/WebGLContext.h
index 8a20237ff..0510e6898 100644
--- a/dom/canvas/WebGLContext.h
+++ b/dom/canvas/WebGLContext.h
@@ -20,6 +20,7 @@
 #include "mozilla/gfx/2D.h"
 #include "mozilla/LinkedList.h"
 #include "mozilla/UniquePtr.h"
+#include "mozilla/WeakPtr.h"
 #include "nsCycleCollectionNoteChild.h"
 #include "nsICanvasRenderingContextInternal.h"
 #include "nsLayoutUtils.h"
@@ -299,6 +300,7 @@ class WebGLContext
     , public WebGLContextUnchecked
     , public WebGLRectangleObject
     , public nsWrapperCache
+    , public SupportsWeakPtr<WebGLContext>
 {
     friend class ScopedDrawHelper;
     friend class ScopedDrawWithTransformFeedback;
@@ -342,6 +344,7 @@ public:
 
     NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_AMBIGUOUS(WebGLContext,
                                                            nsIDOMWebGLRenderingContext)
+    MOZ_DECLARE_WEAKREFERENCE_TYPENAME(WebGLContext)
 
     virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> givenProto) override = 0;
 
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