DevTools: Stop SuggestBox from flickering in TextPrompt

third_party/WebKit/Source/devtools/front_end/ui/TextPrompt.js

 /*
  * Copyright (C) 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 264 matching lines @@
         }
 
         this._selectionTimeout = setTimeout(moveBackIfOutside.bind(this), 100);
     },
 
     /**
      * @param {boolean=} force
      */
     _updateAutoComplete: function(force)
     {
-        this.clearAutocomplete();
+        this._clearAutocompleteElement();
         this.autoCompleteSoon(force);
     },
 
     /**
      * @param {!Event} event
      */
     onMouseWheel: function(event)
     {
         // Subclasses can implement.
     },
@@ skipping 73 matching lines @@
         if (!result)
             result = this._acceptSuggestionInternal();
 
         return result;
     },
 
     clearAutocomplete: function()
     {
         if (this.isSuggestBoxVisible())
             this._suggestBox.hide();
+        this._clearAutocompleteElement();
+    },
 
+    _clearAutocompleteElement: function()
+    {
         if (this._completeTimeout) {
             clearTimeout(this._completeTimeout);
             delete this._completeTimeout;
         }
 
         if (!this.autoCompleteElement)
             return;
 
         this.autoCompleteElement.remove();
         delete this.autoCompleteElement;
@@ skipping 629 matching lines @@
     },
 
     /**
      * @return {string|undefined}
      */
     _currentHistoryItem: function()
     {
         return this._data[this._data.length - this._historyOffset];
     }
 };