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Refactor structured clone JSAPI to prevent mismatched scopes.

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Roll-up of bugs 1442722, 1455071, 1433642, 1456604 and 1458320.
This commit is contained in:
wolfbeast 2018-05-02 11:07:35 -07:00 • committed by Roy Tam
commit 0795e50d87
15 changed files with 447 additions and 311 deletions
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5
dom/base/nsFrameMessageManager.cpp
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@ -271,10 +271,10 @@ BuildClonedMessageData(typename BlobTraits<Flavor>::ConcreteContentManagerType*
ClonedMessageData& aClonedData)
{
SerializedStructuredCloneBuffer& buffer = aClonedData.data();
auto iter = aData.Data().Iter();
auto iter = aData.Data().Start();
size_t size = aData.Data().Size();
bool success;
buffer.data = aData.Data().Borrow<js::SystemAllocPolicy>(iter, size, &success);
buffer.data = aData.Data().Borrow(iter, size, &success);
if (NS_WARN_IF(!success)) {
return false;
}
@ -1286,6 +1286,7 @@ nsFrameMessageManager::ReceiveMessage(nsISupports* aTarget,
if (aRetVal) {
ErrorResult rv;
StructuredCloneData* data = aRetVal->AppendElement();
data->InitScope(JS::StructuredCloneScope::DifferentProcess);
data->Write(cx, rval, rv);
if (NS_WARN_IF(rv.Failed())) {
aRetVal->RemoveElementAt(aRetVal->Length() - 1);