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Bug 650161 - Allow for the possibility that the wrapper cache hasn't been initialized yet when updating it r=bz

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This commit is contained in:
Jon Coppeard 2014-10-03 10:04:19 +01:00
parent 298d965f7b
commit efaffdfe97
1 changed files with 4 additions and 2 deletions
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6
dom/base/nsWrapperCache.h
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@ -123,8 +123,10 @@ public:
*/
void UpdateWrapper(JSObject* aNewObject, const JSObject* aOldObject)
{
MOZ_ASSERT(mWrapper == aOldObject);
mWrapper = aNewObject;
if (mWrapper) {
MOZ_ASSERT(mWrapper == aOldObject);
mWrapper = aNewObject;
}
}
bool PreservingWrapper()