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Null check mShell in nsPresContext::MediaFeatureValuesChanged. (Bug 528832) r=bzbarsky

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This commit is contained in:
L. David Baron 2009-11-17 13:11:15 -08:00
parent 4043bce6c6
commit 532b61f5f0
1 changed files with 2 additions and 1 deletions
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3
layout/base/nsPresContext.cpp
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@ -1539,7 +1539,8 @@ void
nsPresContext::MediaFeatureValuesChanged(PRBool aCallerWillRebuildStyleData)
{
mPendingMediaFeatureValuesChanged = PR_FALSE;
if (mShell->StyleSet()->MediumFeaturesChanged(this) &&
if (mShell &&
mShell->StyleSet()->MediumFeaturesChanged(this) &&
!aCallerWillRebuildStyleData) {
RebuildAllStyleData(nsChangeHint(0));
}