From b819f5bccb48c9572a69d13f7512371cbd666c4e Mon Sep 17 00:00:00 2001
From: Alexander Surkov <surkov.alexander@gmail.com>
Date: Wed, 9 Apr 2014 14:23:04 -0400
Subject: [PATCH] Bug 977668 - Firefox hangs on Facebook text entry when inline
 lookups pop up, r=jwei

---
 accessible/src/generic/HyperTextAccessible.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/accessible/src/generic/HyperTextAccessible.cpp b/accessible/src/generic/HyperTextAccessible.cpp
index 133a425ed951..c765a4629990 100644
--- a/accessible/src/generic/HyperTextAccessible.cpp
+++ b/accessible/src/generic/HyperTextAccessible.cpp
@@ -1037,13 +1037,12 @@ HyperTextAccessible::TextBounds(int32_t aStartOffset, int32_t aEndOffset,
   int32_t offset1 = startOffset - prevOffset;
 
   while (childIdx < ChildCount()) {
-    nsIFrame* frame = GetChildAt(childIdx)->GetFrame();
+    nsIFrame* frame = GetChildAt(childIdx++)->GetFrame();
     if (!frame) {
       NS_NOTREACHED("No frame for a child!");
       continue;
     }
 
-    childIdx++;
     int32_t nextOffset = GetChildOffset(childIdx);
     if (nextOffset >= endOffset) {
       bounds.UnionRect(bounds, GetBoundsInFrame(frame, offset1,