Reverting "Merging to M41 (2272):", jumped the gun.

ui/gfx/render_text_harfbuzz.cc

Index: ui/gfx/render_text_harfbuzz.cc
diff --git a/ui/gfx/render_text_harfbuzz.cc b/ui/gfx/render_text_harfbuzz.cc
index a2312875db8e514f493d5261e76ed6d9045bbdfa..b193451682fd1277cc947694c0b723aef9b8a13a 100644
--- a/ui/gfx/render_text_harfbuzz.cc
+++ b/ui/gfx/render_text_harfbuzz.cc
@@ -1194,19 +1194,6 @@ void RenderTextHarfBuzz::ShapeRun(internal::TextRunHarfBuzz* run) {
   }
 #endif
 
-  // Get rid of duplicate fonts in the fallback list. We use the std::unique
-  // algorithm for this. However for this function to work we need to sort
-  // the font list as the unique algorithm relies on duplicates being adjacent.
-  // TODO(ananta)
-  // Sorting the list changes the order in which fonts are evaluated. This may
-  // cause problems in the way some characters appear. It may be best to do
-  // font fallback on the same lines as blink or skia which do this based on
-  // character glyph mapping.
-  std::sort(fallback_families.begin(), fallback_families.end());
-  fallback_families.erase(std::unique(
-      fallback_families.begin(), fallback_families.end()),
-      fallback_families.end());
-
   // Try shaping with the fallback fonts.
   for (const auto& family : fallback_families) {
     if (family == primary_family)