Bug 1476358 - Replace while-loop with FindFirstBlock() in WrapFramesInFirstLineFrame(). r=dholbert

Differential Revision: https://phabricator.services.mozilla.com/D2193

--HG--
extra : moz-landing-system : lando

layout/base/nsCSSFrameConstructor.cpp

@@ -10444,9 +10444,7 @@ nsCSSFrameConstructor::WrapFramesInFirstLineFrame(
 {
   // Find the part of aFrameItems that we want to put in the first-line
   nsFrameList::FrameLinkEnumerator link(aFrameItems);
-  while (!link.AtEnd() && link.NextFrame()->IsInlineOutside()) {
-    link.Next();
-  }
+  FindFirstBlock(link);
 
   nsFrameList firstLineChildren = aFrameItems.ExtractHead(link);