Revert of Remove hasGrammarMarker from internals

third_party/WebKit/Source/core/testing/Internals.idl

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 142 matching lines @@
     DOMString htmlNamespace();
     sequence<DOMString> htmlTags();
     DOMString svgNamespace();
     sequence<DOMString> svgTags();
 
     [RaisesException] NodeList nodesFromRect(Document document, long x, long y,
         unsigned long topPadding, unsigned long rightPadding, unsigned long bottomPadding, unsigned long leftPadding,
         boolean ignoreClipping, boolean allowChildFrameContent);
 
     boolean hasSpellingMarker(Document document, long from, long length);
+    boolean hasGrammarMarker(Document document, long from, long length);
     void setContinuousSpellCheckingEnabled(boolean enabled);
 
     bool canHyphenate(DOMString locale);
     void setMockHyphenation(DOMString locale);
 
     boolean isOverwriteModeEnabled(Document document);
     void toggleOverwriteModeEnabled(Document document);
 
     unsigned long numberOfScrollableAreas(Document document);
 
@@ skipping 170 matching lines @@
 
     void setMediaElementNetworkState(HTMLMediaElement element, long state);
 
     // TODO(liberato): remove once autoplay gesture override experiment concludes.
     void triggerAutoplayViewportCheck(HTMLMediaElement mediaElement);
 
     DOMString getScrollAnimationState(Node node);
 
     DOMString getProgrammaticScrollAnimationState(Node node);
 };