DevTools: [PrettyPrint] support template literals in pretty-printing

Source/devtools/front_end/script_formatter_worker/JavaScriptFormatter.js

 /*
  * Copyright (C) 2011 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 222 matching lines @@
             if (AT.keyword(token, "do"))
                 return blockBody ? "ts" : "tn>";
             if (AT.keyword(token, "while"))
                 return blockBody ? "sts" : "n<ts";
         } else if (node.type === "ClassBody") {
             if (AT.punctuator(token, "{"))
                 return "stn>";
             if (AT.punctuator(token, "}"))
                 return "<ntn";
             return "t";
+        } else if (node.type === "YieldExpression") {
+            return "t";
+        } else if (node.type === "Super") {
+            return "t";
         }
         return AT.keyword(token) && !AT.keyword(token, "this") ? "ts" : "t";
     },
 
     /**
      * @param {!ESTree.Node} node
      * @return {string}
      */
     _finishNode: function(node)
     {
@@ skipping 159 matching lines @@
     _addMappingIfNeeded: function(originalPosition)
     {
         if (originalPosition - this._lastOriginalPosition === this._formattedContentLength - this._lastFormattedPosition)
             return;
         this._mapping.original.push(this._originalOffset + originalPosition);
         this._lastOriginalPosition = originalPosition;
         this._mapping.formatted.push(this._formattedOffset + this._formattedContentLength);
         this._lastFormattedPosition = this._formattedContentLength;
     }
 }