Remove one-callsite private function on TextFinder.

third_party/WebKit/Source/web/TextFinder.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 122 matching lines @@
     // match index returned by nearestFindMatch. Returns the ordinal of the new
     // selected match or -1 in case of error. Also provides the bounding box of
     // the marker in window coordinates if selectionRect is not null.
     int selectFindMatch(unsigned index, WebRect* selectionRect);
 
     // Compute and cache the rects for FindMatches if required.
     // Rects are automatically invalidated in case of content size changes,
     // propagating the invalidation to child frames.
     void updateFindMatchRects();
 
-    // Add a WebKit TextMatch-highlight marker to nodes in a range.
-    void addMarker(Range*, bool activeMatch);
-
     // Sets the markers within a range as active or inactive. Returns true if at least
     // one such marker found.
     bool setMarkerActive(Range*, bool active);
 
     // Removes all markers.
     void unmarkAllTextMatches();
 
     // Determines whether the scoping effort is required for a particular frame.
     // It is not necessary if the frame is invisible, for example, or if this
     // is a repeat search that already returned nothing last time the same prefix
@@ skipping 100 matching lines @@
     // Determines if the rects in the find-in-page matches cache of this frame
     // are invalid and should be recomputed.
     bool m_findMatchRectsAreValid;
 };
 
 } // namespace blink
 
 WTF_ALLOW_INIT_WITH_MEM_FUNCTIONS(blink::TextFinder::FindMatch);
 
 #endif // TextFinder_h