DevTools: Consolidate completion code into JavaScriptAutocomplete.js

third_party/WebKit/Source/devtools/front_end/console/ConsolePrompt.js

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 /**
  * @unrestricted
  */
 WebInspector.ConsolePrompt = class extends WebInspector.Widget {
   constructor() {
     super();
     this._addCompletionsFromHistory = true;
@@ skipping 238 matching lines @@
 
   /**
    * @param {!WebInspector.TextRange} prefixRange
    * @param {!WebInspector.TextRange} substituteRange
    * @return {!Promise<!WebInspector.SuggestBox.Suggestions>}
    */
   _wordsWithPrefix(prefixRange, substituteRange) {
     var prefix = this._editor.text(prefixRange);
     var before = this._editor.text(new WebInspector.TextRange(0, 0, prefixRange.startLine, prefixRange.startColumn));
     var historyWords = this._historyCompletions(prefix);
-    return WebInspector.ExecutionContextSelector.completionsForTextInCurrentContext(before, prefix, true /* force */)
+    return WebInspector.JavaScriptAutocomplete.completionsForTextInCurrentContext(before, prefix, true /* force */)
         .then(innerWordsWithPrefix);
 
     /**
      * @param {!Array<string>} words
      * @return {!WebInspector.SuggestBox.Suggestions}
      */
     function innerWordsWithPrefix(words) {
       return words.map(item => ({title: item})).concat(historyWords);
     }
   }
@@ skipping 84 matching lines @@
     return this._currentHistoryItem();
   }
 
   /**
    * @return {string|undefined}
    */
   _currentHistoryItem() {
     return this._data[this._data.length - this._historyOffset];
   }
 };