DevTools: Use CodeMirror syntax highlighting to improve JS autocomplete

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

Index: third_party/WebKit/Source/devtools/front_end/console/ConsolePrompt.js
diff --git a/third_party/WebKit/Source/devtools/front_end/console/ConsolePrompt.js b/third_party/WebKit/Source/devtools/front_end/console/ConsolePrompt.js
index 53ca7697a7eaa70e3af665785bb5232989db3721..65d93e967c174cf8c197a2792da32eb39c216897 100644
--- a/third_party/WebKit/Source/devtools/front_end/console/ConsolePrompt.js
+++ b/third_party/WebKit/Source/devtools/front_end/console/ConsolePrompt.js
@@ -252,12 +252,20 @@ WebInspector.ConsolePrompt = class extends WebInspector.Widget {
    * @param {!WebInspector.TextRange} queryRange
    * @param {!WebInspector.TextRange} substituteRange
    * @param {boolean=} force
+   * @param {string=} currentTokenType
    * @return {!Promise<!WebInspector.SuggestBox.Suggestions>}
    */
-  _wordsWithQuery(queryRange, substituteRange, force) {
+  _wordsWithQuery(queryRange, substituteRange, force, currentTokenType) {
     var query = this._editor.text(queryRange);
     var before = this._editor.text(new WebInspector.TextRange(0, 0, queryRange.startLine, queryRange.startColumn));
     var historyWords = this._historyCompletions(query, force);
+
+    var excludedTokens = new Set(['js-comment', 'js-string-2']);
+    if (!before.endsWith('['))
+      excludedTokens.add('js-string');
+    if (excludedTokens.has(currentTokenType))
+      return Promise.resolve(historyWords);
+
     return WebInspector.JavaScriptAutocomplete.completionsForTextInCurrentContext(before, query, force)
         .then(innerWordsWithQuery);
     /**