Don't ever split DocumentMarkers on remove

third_party/WebKit/Source/core/editing/spellcheck/SpellChecker.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 745 matching lines @@
   // Now we remove markers on everything between startOfFirstWord and
   // endOfLastWord. However, if an autocorrection change a single word to
   // multiple words, we want to remove correction mark from all the resulted
   // words even we only edit one of them. For example, assuming autocorrection
   // changes "avantgarde" to "avant garde", we will have CorrectionIndicator
   // marker on both words and on the whitespace between them. If we then edit
   // garde, we would like to remove the marker from word "avant" and whitespace
   // as well. So we need to get the continous range of of marker that contains
   // the word in question, and remove marker on that whole range.
   const EphemeralRange word_range(remove_marker_start, remove_marker_end);
-  document->Markers().RemoveMarkers(
-      word_range, DocumentMarker::MisspellingMarkers(),
-      DocumentMarkerController::kRemovePartiallyOverlappingMarker);
+  document->Markers().RemoveMarkers(word_range,
+                                    DocumentMarker::MisspellingMarkers());
 }
 
 void SpellChecker::DidEndEditingOnTextField(Element* e) {
   TRACE_EVENT0("blink", "SpellChecker::didEndEditingOnTextField");
 
   // Remove markers when deactivating a selection in an <input type="text"/>.
   // Prevent new ones from appearing too.
   if (!RuntimeEnabledFeatures::idleTimeSpellCheckingEnabled())
     spell_check_requester_->CancelCheck();
   TextControlElement* text_control_element = ToTextControlElement(e);
@@ skipping 419 matching lines @@
       if (!input.IsFocusedElementInDocument())
         return false;
     }
   }
   HTMLElement* element =
       Traversal<HTMLElement>::FirstAncestorOrSelf(*position.AnchorNode());
   return element && element->IsSpellCheckingEnabled();
 }
 
 }  // namespace blink