DevTools: Console: Provide autocompletions for Maps

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
  */
 Console.ConsolePrompt = class extends UI.Widget {
   constructor() {
     super();
     this._addCompletionsFromHistory = true;
@@ skipping 246 matching lines @@
    * @param {string=} currentTokenType
    * @return {!Promise<!UI.SuggestBox.Suggestions>}
    */
   _wordsWithQuery(queryRange, substituteRange, force, currentTokenType) {
     var query = this._editor.text(queryRange);
     var before = this._editor.text(new Common.TextRange(0, 0, queryRange.startLine, queryRange.startColumn));
     var historyWords = this._historyCompletions(query, force);
 
     var excludedTokens = new Set(['js-comment', 'js-string-2', 'js-def']);
     var trimmedBefore = before.trim();
-    if (!trimmedBefore.endsWith('['))
+    if (!trimmedBefore.endsWith('[') && !trimmedBefore.match(/\.\s*(get|set|delete)\s*\(\s*$/))
       excludedTokens.add('js-string');
     if (!trimmedBefore.endsWith('.'))
       excludedTokens.add('js-property');
     if (excludedTokens.has(currentTokenType))
       return Promise.resolve(historyWords);
 
     return Components.JavaScriptAutocomplete.completionsForTextInCurrentContext(before, query, force)
         .then(words => words.concat(historyWords));
   }
 
@@ skipping 83 matching lines @@
     return this._currentHistoryItem();
   }
 
   /**
    * @return {string|undefined}
    */
   _currentHistoryItem() {
     return this._data[this._data.length - this._historyOffset];
   }
 };