Fix find in page behavior

third_party/WebKit/Source/web/TextFinder.cpp

 /*
  * 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 191 matching lines @@
 }
 
 void TextFinder::stopFindingAndClearSelection()
 {
     cancelPendingScopingEffort();
 
     // Remove all markers for matches found and turn off the highlighting.
     ownerFrame().frame()->document()->markers().removeMarkers(DocumentMarker::TextMatch);
     ownerFrame().frame()->editor().setMarkedTextMatchesAreHighlighted(false);
     clearFindMatchesCache();
+    resetActiveMatch();
 
     // Let the frame know that we don't want tickmarks anymore.
     ownerFrame().frameView()->invalidatePaintForTickmarks();
 }
 
 void TextFinder::reportFindInPageResultToAccessibility(int identifier)
 {
     AXObjectCacheImpl* axObjectCache = toAXObjectCacheImpl(ownerFrame().frame()->document()->existingAXObjectCache());
     if (!axObjectCache)
         return;
@@ skipping 585 matching lines @@
     visitor->trace(m_ownerFrame);
     visitor->trace(m_currentActiveMatchFrame);
     visitor->trace(m_activeMatch);
     visitor->trace(m_resumeScopingFromRange);
     visitor->trace(m_deferredScopingWork);
     visitor->trace(m_findMatchesCache);
 #endif
 }
 
 } // namespace blink