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Bug 899881 - Don't allow frames to have a null style context. r=dbaron

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This commit is contained in:
Cameron McCormack 2013-08-03 14:11:05 +10:00
parent f304825fbc
commit 7389a04520
2 changed files with 6 additions and 13 deletions
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1
layout/generic/nsFrame.cpp
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@ -394,7 +394,6 @@ nsFrame::~nsFrame()
MOZ_COUNT_DTOR(nsFrame);
NS_IF_RELEASE(mContent);
if (mStyleContext)
mStyleContext->Release();
}

6
layout/generic/nsIFrame.h
View File

@ -751,11 +751,8 @@ public:
if (aContext != mStyleContext) {
nsStyleContext* oldStyleContext = mStyleContext;
mStyleContext = aContext;
if (aContext) {
aContext->AddRef();
DidSetStyleContext(oldStyleContext);
}
if (oldStyleContext)
oldStyleContext->Release();
}
}
@ -769,14 +766,11 @@ public:
void SetStyleContextWithoutNotification(nsStyleContext* aContext)
{
if (aContext != mStyleContext) {
if (mStyleContext)
mStyleContext->Release();
mStyleContext = aContext;
if (aContext) {
aContext->AddRef();
}
}
}
// Style post processing hook
// Attention: the old style context is the one we're forgetting,