Remove DocumentMarker::SpellCheckClientMarkers()

third_party/WebKit/Source/core/editing/markers/DocumentMarker.h

Index: third_party/WebKit/Source/core/editing/markers/DocumentMarker.h
diff --git a/third_party/WebKit/Source/core/editing/markers/DocumentMarker.h b/third_party/WebKit/Source/core/editing/markers/DocumentMarker.h
index 8dd5d00fe07dc40929da92aa9b21d54df5804cac..25e398b382c4a499c4ed06df6caeaabc52f9a669 100644
--- a/third_party/WebKit/Source/core/editing/markers/DocumentMarker.h
+++ b/third_party/WebKit/Source/core/editing/markers/DocumentMarker.h
@@ -131,11 +131,6 @@ class CORE_EXPORT DocumentMarker : public GarbageCollected<DocumentMarker> {
     MisspellingMarkers() : MarkerTypes(kSpelling | kGrammar) {}
   };
 
-  class SpellCheckClientMarkers : public MarkerTypes {
-   public:
-    SpellCheckClientMarkers() : MarkerTypes(kSpelling | kGrammar) {}
-  };
-
   enum class MatchStatus { kInactive, kActive };
 
   DocumentMarker(MarkerType,