DevTools: WI.Throttler goes promisified.

Source/devtools/front_end/console/ConsoleView.js

 /*
  * Copyright (C) 2007, 2008 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 355 matching lines @@
 
     _hidePromptSuggestBox: function()
     {
         this._prompt.hideSuggestBox();
         this._prompt.clearAutoComplete(true);
     },
 
     _scheduleViewportRefresh: function()
     {
         /**
-         * @param {!WebInspector.Throttler.FinishCallback} finishCallback
          * @this {WebInspector.ConsoleView}
+         * @return {!Promise.<undefined>}
          */
-        function invalidateViewport(finishCallback)
+        function invalidateViewport()
         {
             if (this._needsFullUpdate) {
                 this._updateMessageList();
                 delete this._needsFullUpdate;
             } else {
                 this._viewport.invalidate();
             }
-            finishCallback();
+            return Promise.resolve();
         }
         this._viewportThrottler.schedule(invalidateViewport.bind(this));
     },
 
     _immediatelyScrollToBottom: function()
     {
         // This will scroll viewport and trigger its refresh.
         this._promptElement.scrollIntoView(true);
     },
 
@@ skipping 904 matching lines @@
     handleAction: function(context, actionId)
     {
         WebInspector.console.show();
     }
 }
 
 /**
 * @typedef {{messageIndex: number, matchIndex: number}}
 */
 WebInspector.ConsoleView.RegexMatchRange;