DevTools: pressing enter in bound input fields should not fire change handler

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

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * 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:
  *
@@ skipping 1543 matching lines @@
       apply(input.value);
   }
 
   /**
    * @param {!Event} event
    */
   function onKeyDown(event) {
     if (isEnterKey(event)) {
       if (validate(input.value))
         apply(input.value);
+      event.preventDefault();
       return;
     }
 
     if (!numeric)
       return;
 
     var increment = event.key === 'ArrowUp' ? 1 : event.key === 'ArrowDown' ? -1 : 0;
     if (!increment)
       return;
     if (event.shiftKey)
@@ skipping 497 matching lines @@
    */
   constructor(message, okCallback, cancelCallback) {
     super(true);
     this.registerRequiredCSS('ui/confirmDialog.css');
     this.contentElement.createChild('div', 'message').createChild('span').textContent = message;
     var buttonsBar = this.contentElement.createChild('div', 'button');
     buttonsBar.appendChild(UI.createTextButton(Common.UIString('Ok'), okCallback));
     buttonsBar.appendChild(UI.createTextButton(Common.UIString('Cancel'), cancelCallback));
   }
 };