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Bug 1153628 - Break FontFaceSet <-> UserFontSet cycle when a document's pres shell is going away. r=mccr8
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@ -412,6 +412,9 @@ FontFaceSet::DestroyUserFontSet()
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mNonRuleFaces.Clear();
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mUnavailableFaces.Clear();
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mReady = nullptr;
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if (mUserFontSet) {
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mUserFontSet->mFontFaceSet = nullptr;
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}
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mUserFontSet = nullptr;
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}
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