DevTools: Use CodeMirror syntax highlighting to improve JS autocomplete

third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js

Index: third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js
diff --git a/third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js b/third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js
index c53a7e7d6a82f3c03b22217a941d142bb091c674..4c61f62fa3197ae24474347a72dd1cdd8bdffc39 100644
--- a/third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js
+++ b/third_party/WebKit/Source/devtools/front_end/components/JavaScriptAutocomplete.js
@@ -22,9 +22,16 @@ WebInspector.JavaScriptAutocomplete.completionsForTextPromptInCurrentContext = f
  * @param {string} text
  * @param {string} query
  * @param {boolean=} force
+ * @param {string=} tokenType
  * @return {!Promise<!Array<string>>}
  */
-WebInspector.JavaScriptAutocomplete.completionsForTextInCurrentContext = function(text, query, force) {
+WebInspector.JavaScriptAutocomplete.completionsForTextInCurrentContext = function(text, query, force, tokenType) {
+  var excludedTokens = new Set(['js-comment', 'js-string-2']);
+  if (!text.endsWith('['))

[einbinder, 2016/11/07 23:04:48]

If the user is typing window["docu then we want to provide completions for
"document" even though the current token is js-string.

+    excludedTokens.add('js-string');
+  if (excludedTokens.has(tokenType))
+    return Promise.resolve([]);
+
   var index;
   var stopChars = new Set(' =:({;,!+-*/&|^<>`'.split(''));
   for (index = text.length - 1; index >= 0; index--) {