[WIP] Add DocumentMarkerController::addGrammarMarker() and addSpellingMarker()

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 e1a99b4a41df48899746c6311809478b297ab73f..78c73cd0908da776e1b01e90852e6e09e0df1623 100644
--- a/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.h
+++ b/third_party/WebKit/Source/core/editing/markers/DocumentMarkerController.h
@@ -54,10 +54,13 @@ class CORE_EXPORT DocumentMarkerController final
 
   void clear();
   void addMarker(Node*, DocumentMarker*);
-  void addMarker(const Position& start,
-                 const Position& end,
-                 DocumentMarker::MarkerType,
-                 const String& description = emptyString);
+
+  void addSpellingMarker(const Position& start,
+                         const Position& end,
+                         const String& description = emptyString);
+  void addGrammarMarker(const Position& start,
+                        const Position& end,
+                        const String& description = emptyString);
   void addTextMatchMarker(const EphemeralRange&, bool activeMatch);
   void addCompositionMarker(const Position& start,
                             const Position& end,
@@ -135,6 +138,10 @@ class CORE_EXPORT DocumentMarkerController final
  private:
   using MarkerMap = HeapHashMap<WeakMember<Node>, Member<DocumentMarkerList>>;
 
+  void addGrammarOrSpellingMarker(const Position& start,
+                                  const Position& end,
+                                  DocumentMarker::MarkerType,
+                                  const String& description);
   DocumentMarkerList* createMarkerListOfType(DocumentMarker::MarkerType);
   HeapVector<Member<DocumentMarkerList>> getMarkerListsForNode(
       Node*,