Should not override styleResolverUpdateType to Reset when some existing stylesheet still has @font-…

Source/core/dom/StyleSheetCollection.cpp

Index: Source/core/dom/StyleSheetCollection.cpp
diff --git a/Source/core/dom/StyleSheetCollection.cpp b/Source/core/dom/StyleSheetCollection.cpp
index 8613a43a31a19997faaf3af465639dee4c086dc1..624229f1dfc4139caf6dc86fa6250415c9cd0426 100644
--- a/Source/core/dom/StyleSheetCollection.cpp
+++ b/Source/core/dom/StyleSheetCollection.cpp
@@ -202,7 +202,8 @@ void StyleSheetCollection::analyzeStyleSheetChange(StyleResolverUpdateMode updat
             // So we can remove "styleSheetContentsHasFontFaceRule(newSheets)".
             if (cssStyleSheetHasFontFaceRule(newCollection.activeAuthorStyleSheets()))
                 change.styleResolverUpdateType = ResetStyleResolverAndFontSelector;
-            change.styleResolverUpdateType = Reset;
+            else
+                change.styleResolverUpdateType = Reset;
         }
     }