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authorMatt A. Tobin <email@mattatobin.com>2020-04-17 07:25:14 -0400
committerMatt A. Tobin <email@mattatobin.com>2020-04-17 07:25:14 -0400
commitfd7a325bc08f1f027b692181b6c7ab5efaf619aa (patch)
tree2d5fffa0474fea1a9d2f4fb855e6aabdf4b05d4c /dom/base/ChildIterator.cpp
parentf0b7ba1e2b49858ce2755c61beebe3694cae882f (diff)
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Bug 1422931 - Fix crash with slot element and make webcomponents preference per-doc
Tag #1375
Diffstat (limited to 'dom/base/ChildIterator.cpp')
-rw-r--r--dom/base/ChildIterator.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/dom/base/ChildIterator.cpp b/dom/base/ChildIterator.cpp
index 7a0a705da..7d3375fef 100644
--- a/dom/base/ChildIterator.cpp
+++ b/dom/base/ChildIterator.cpp
@@ -12,6 +12,7 @@
#include "nsIAnonymousContentCreator.h"
#include "nsIFrame.h"
#include "nsCSSAnonBoxes.h"
+#include "nsDocument.h"
namespace mozilla {
namespace dom {
@@ -66,7 +67,8 @@ ExplicitChildIterator::ExplicitChildIterator(const nsIContent* aParent,
mIsFirst(aStartAtBeginning),
mIndexInInserted(0)
{
- mParentAsSlot = HTMLSlotElement::FromContent(mParent);
+ mParentAsSlot = nsDocument::IsWebComponentsEnabled(mParent) ?
+ HTMLSlotElement::FromContent(mParent) : nullptr;
}
nsIContent*