Adding a word to dictionary should remove spelling markers

Source/core/dom/DocumentMarkerController.h

Index: Source/core/dom/DocumentMarkerController.h
diff --git a/Source/core/dom/DocumentMarkerController.h b/Source/core/dom/DocumentMarkerController.h
index c7f0e456b21235def99ddf076e5002f96baea5f6..a13e5508c7efe0e275185bea60fbad8e022c2976 100644
--- a/Source/core/dom/DocumentMarkerController.h
+++ b/Source/core/dom/DocumentMarkerController.h
@@ -35,12 +35,23 @@
 
 namespace blink {
 
+class Document;
 class LayoutPoint;
 class LayoutRect;
 class Node;
 class Range;
 class RenderedDocumentMarker;
 
+class MarkerRemoverPredicate {
+public:
+    MarkerRemoverPredicate(Document&, const Vector<String>& words);
+    bool operator()(const DocumentMarker& documentMarker,
+        const Node* node) const;
+private:
+    Document& m_document;
+    Vector<String> m_words;
+};
+
 class DocumentMarkerController FINAL : public NoBaseWillBeGarbageCollected<DocumentMarkerController> {
     WTF_MAKE_NONCOPYABLE(DocumentMarkerController); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
     DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(DocumentMarkerController);
@@ -67,6 +78,7 @@ public:
 
     void removeMarkers(DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
     void removeMarkers(Node*, DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
+    void removeMarkers(const MarkerRemoverPredicate& shouldRemoveMarker);
     void repaintMarkers(DocumentMarker::MarkerTypes = DocumentMarker::AllMarkers());
     void invalidateRenderedRectsForMarkersInRect(const LayoutRect&);
     void shiftMarkers(Node*, unsigned startOffset, int delta);