Don't ever split DocumentMarkers on remove

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

Index: third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.h
diff --git a/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.h b/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.h
index cf78a0aca926b76016eb553503d99a18649460b9..f555a1196bd50719ec70872c5dc3d930f8d2c9b4 100644
--- a/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.h
+++ b/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.h
@@ -81,25 +81,14 @@ class CORE_EXPORT DocumentMarkerController final
                    int delta);
 
   void prepareForDestruction();
-  // When a marker partially overlaps with range, if
-  // removePartiallyOverlappingMarkers is true, we completely remove the marker.
-  // If the argument is false, we will adjust the span of the marker so that it
-  // retains the portion that is outside of the range.
-  enum RemovePartiallyOverlappingMarkerOrNot {
-    DoNotRemovePartiallyOverlappingMarker,
-    RemovePartiallyOverlappingMarker
-  };
-  void removeMarkers(const EphemeralRange&,
-                     DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers(),
-                     RemovePartiallyOverlappingMarkerOrNot =
-                         DoNotRemovePartiallyOverlappingMarker);
-  void removeMarkers(Node*,
-                     unsigned startOffset,
-                     int length,
-                     DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers(),
-                     RemovePartiallyOverlappingMarkerOrNot =
-                         DoNotRemovePartiallyOverlappingMarker);
-
+  void removeMarkers(
+      const EphemeralRange&,
+      DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
+  void removeMarkers(
+      Node*,
+      unsigned startOffset,
+      int length,
+      DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
   void removeMarkers(
       DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
   void removeMarkers(
@@ -148,9 +137,7 @@ class CORE_EXPORT DocumentMarkerController final
   void mergeOverlapping(MarkerList*, RenderedDocumentMarker*);
   bool possiblyHasMarkers(DocumentMarker::MarkerTypes);
   void removeMarkersFromList(MarkerMap::iterator, DocumentMarker::MarkerTypes);
-  void removeMarkers(TextIterator&,
-                     DocumentMarker::MarkerTypes,
-                     RemovePartiallyOverlappingMarkerOrNot);
+  void removeMarkers(TextIterator&, DocumentMarker::MarkerTypes);
 
   MarkerMap m_markers;
   // Provide a quick way to determine whether a particular marker type is absent