Bug 1379951: Remove problematic assertion for a code path that is expected to be followed by NVDA; r=eeejay

MozReview-Commit-ID: DM6hVlC4RCg

accessible/windows/msaa/AccessibleWrap.cpp

@@ -1445,8 +1445,6 @@ AccessibleWrap::GetIAccessibleFor(const VARIANT& aVarChild, bool* aIsDefunct)
   if (XRE_IsParentProcess() && !IsProxy() && !sIDGen.IsChromeID(varChild.lVal)) {
     return GetRemoteIAccessibleFor(varChild);
   }
-  MOZ_ASSERT(XRE_IsParentProcess() ||
-             sIDGen.IsIDForThisContentProcess(varChild.lVal));
 
   if (varChild.lVal > 0) {
     // Gecko child indices are 0-based in contrast to indices used in MSAA.