DevTools: [CSS] introduce strong types

Source/devtools/front_end/elements/PlatformFontsWidget.js

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 59 matching lines @@
         if (!node || !cssModel) {
             finishedCallback();
             return;
         }
         cssModel.getPlatformFontsForNode(node.id, this._refreshUI.bind(this, node, finishedCallback));
     },
 
     /**
      * @param {!WebInspector.DOMNode} node
      * @param {!WebInspector.Throttler.FinishCallback} finishedCallback
-     * @param {?string} cssFamilyName
      * @param {?Array.<!CSSAgent.PlatformFontUsage>} platformFonts
      */
-    _refreshUI: function(node, finishedCallback, cssFamilyName, platformFonts)
+    _refreshUI: function(node, finishedCallback, platformFonts)
     {
         if (this._sharedModel.node() !== node) {
             finishedCallback();
             return;
         }
 
         this._fontStatsSection.removeChildren();
 
         var isEmptySection = !platformFonts || !platformFonts.length;
         this._sectionTitle.classList.toggle("hidden", isEmptySection);
@@ skipping 15 matching lines @@
 
             var fontUsageElement = fontStatElement.createChild("span", "font-usage");
             var usage = platformFonts[i].glyphCount;
             fontUsageElement.textContent = usage === 1 ? WebInspector.UIString("%d glyph", usage) : WebInspector.UIString("%d glyphs", usage);
         }
         finishedCallback();
     },
 
     __proto__: WebInspector.ThrottledWidget.prototype
 }