DevTools: roll closure compiler to 20161201.

third_party/WebKit/Source/devtools/front_end/elements/StylesSidebarPane.js

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 1090 matching lines @@
 
   _markSelectorMatches() {
     var rule = this._style.parentRule;
     if (!rule)
       return;
 
     this._mediaListElement.classList.toggle('media-matches', this._matchedStyles.mediaMatches(this._style));
 
     var selectorTexts = rule.selectors.map(selector => selector.text);
     var matchingSelectorIndexes = this._matchedStyles.matchingSelectors(/** @type {!SDK.CSSStyleRule} */ (rule));
-    var matchingSelectors = new Array(selectorTexts.length).fill(false);
+    var matchingSelectors = /** @type {!Array<boolean>} */ (new Array(selectorTexts.length).fill(false));
     for (var matchingIndex of matchingSelectorIndexes)
       matchingSelectors[matchingIndex] = true;
 
     if (this._parentPane._isEditingStyle)
       return;
 
     var fragment = this._hoverableSelectorsMode ? this._renderHoverableSelectors(selectorTexts, matchingSelectors) :
                                                   this._renderSimplifiedSelectors(selectorTexts, matchingSelectors);
     this._selectorElement.removeChildren();
     this._selectorElement.appendChild(fragment);
@@ skipping 1924 matching lines @@
   }
 
   /**
    * @override
    * @return {!UI.ToolbarItem}
    */
   item() {
     return this._button;
   }
 };