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Bug 1481229 part 1 - Remove unnecessary realm entering in JavaScriptShared::findObjectById. r=evilpie

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ToWindowProxyIfWindow does not rely on the current realm in any way.
This commit is contained in:
Jan de Mooij
2018-08-07 14:06:45 +02:00
parent 2dceea12d4
commit 57f5c11f9a
1 changed files with 2 additions and 5 deletions
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7
js/ipc/JavaScriptShared.cpp
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@@ -538,11 +538,8 @@ JavaScriptShared::findObjectById(JSContext* cx, const ObjectId& objId)
// wrappers.
JSAutoRealm ar(cx, scopeForTargetObjects());
if (objId.hasXrayWaiver()) {
{
JSAutoRealmAllowCCW ar2(cx, obj);
obj = js::ToWindowProxyIfWindow(obj);
MOZ_ASSERT(obj);
}
obj = js::ToWindowProxyIfWindow(obj);
MOZ_ASSERT(obj);
if (!xpc::WrapperFactory::WaiveXrayAndWrap(cx, &obj))
return nullptr;
} else {