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Bug 1180189 - Fix crash in mozilla::a11y::HTMLTableRowAccessible::GroupPosition, r=MarcoZ

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This commit is contained in:
Frédéric Wang 2015-07-14 09:27:26 +02:00
parent 0e02ac6ab3
commit fadbe946a3
1 changed files with 3 additions and 2 deletions
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5
accessible/html/HTMLTableAccessible.cpp
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@ -373,8 +373,9 @@ GroupPos
HTMLTableRowAccessible::GroupPosition()
{
int32_t count = 0, index = 0;
if (nsCoreUtils::GetUIntAttr(nsAccUtils::TableFor(this)->GetContent(),
nsGkAtoms::aria_rowcount, &count) &&
Accessible* table = nsAccUtils::TableFor(this);
if (table && nsCoreUtils::GetUIntAttr(table->GetContent(),
nsGkAtoms::aria_rowcount, &count) &&
nsCoreUtils::GetUIntAttr(mContent, nsGkAtoms::aria_rowindex, &index)) {
return GroupPos(0, index, count);
}