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Bug 810618. Make sure we don't allow layout statics to go away while we're still trying to use them. r=khuey

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This commit is contained in:
Boris Zbarsky 2012-11-13 00:26:55 -08:00
parent 2f3202994d
commit 45edccd252
1 changed files with 4 additions and 0 deletions
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4
dom/bindings/CallbackFunction.h
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@ -27,6 +27,7 @@
#include "nsWrapperCache.h"
#include "nsJSEnvironment.h"
#include "xpcpublic.h"
#include "nsLayoutStatics.h"
namespace mozilla {
namespace dom {
@ -63,6 +64,8 @@ public:
// Set mCallable before we hold, on the off chance that a GC could somehow
// happen in there... (which would be pretty odd, granted).
mCallable = aCallable;
// Make sure we'll be able to drop as needed
nsLayoutStatics::AddRef();
NS_HOLD_JS_OBJECTS(this, CallbackFunction);
*aInited = true;
}
@ -90,6 +93,7 @@ protected:
if (mCallable) {
NS_DROP_JS_OBJECTS(this, CallbackFunction);
mCallable = nullptr;
nsLayoutStatics::Release();
}
}