Do not show search bubble on printer advanced options text field change.

chrome/browser/resources/print_preview/settings/advanced_settings/advanced_settings_item.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Component that renders a destination item in a destination list.
    * @param {!cr.EventTarget} eventTarget Event target to dispatch selection
@@ skipping 133 matching lines @@
     /**
      * Called when the text element value is changed.
      * @private
      */
     onTextInput_: function() {
       this.selectedValue_ = this.text_.value || null;
 
       if (this.query_) {
         var optionMatches = (this.selectedValue_ || '').match(this.query_);
         // Even if there's no match anymore, keep the item visible to do not
-        // surprise user.
-        if (optionMatches)
-          this.showSearchBubble_(optionMatches[0]);
-        else
+        // surprise user. Even if there's a match, do not show the bubble, user
+        // is already aware that this option is visible and matches the search.
+        // Showing the bubble will only create a distraction by moving UI
+        // elements around.
+        if (!optionMatches)
           this.hideSearchBubble_();
       }
     },
 
     /**
      * @param {!Object} entity Entity to get the display name for. Entity in
      *     is either a vendor capability or vendor capability option.
      * @return {string} The entity display name.
      * @private
      */
@@ skipping 141 matching lines @@
         }
       });
     }
   };
 
   // Export
   return {
     AdvancedSettingsItem: AdvancedSettingsItem
   };
 });