Make DocumentMarker::AllMarkers() automatically track list of types

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

 /*
  * This file is part of the DOM implementation for WebCore.
  *
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 104 matching lines @@
 
     MarkerTypesIterator begin() const { return MarkerTypesIterator(mask_); }
     MarkerTypesIterator end() const { return MarkerTypesIterator(0); }
 
    private:
     unsigned mask_;
   };
 
   class AllMarkers : public MarkerTypes {
    public:
-    AllMarkers()
-        : MarkerTypes(kSpelling | kGrammar | kTextMatch | kComposition) {}
+    AllMarkers() : MarkerTypes((1 << kMarkerTypeIndexesCount) - 1) {}
   };
 
   class MisspellingMarkers : public MarkerTypes {
    public:
     MisspellingMarkers() : MarkerTypes(kSpelling | kGrammar) {}
   };
 
   enum class MatchStatus { kInactive, kActive };
 
   DocumentMarker(MarkerType,
@@ skipping 61 matching lines @@
   virtual bool IsDescription() const { return false; }
   virtual bool IsTextMatch() const { return false; }
   virtual bool IsComposition() const { return false; }
 
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 };
 
 }  // namespace blink
 
 #endif  // DocumentMarker_h