DevTools: Migrate from -webkit-user-modify to contenteditable

third_party/WebKit/Source/devtools/front_end/resources/DatabaseQueryView.js

 /*
  * Copyright (C) 2008 Apple 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 21 matching lines @@
 
     this.database = database;
 
     this.element.classList.add('storage-view', 'query', 'monospace');
     this.element.addEventListener('selectstart', this._selectStart.bind(this), false);
 
     this._promptContainer = this.element.createChild('div', 'database-query-prompt-container');
     this._promptContainer.appendChild(UI.Icon.create('smallicon-text-prompt', 'prompt-icon'));
     this._promptElement = this._promptContainer.createChild('div');
     this._promptElement.className = 'database-query-prompt';
+    this._promptElement.setAttribute('contenteditable', 'plaintext-only');
     this._promptElement.addEventListener('keydown', this._promptKeyDown.bind(this), true);
 
     this._prompt = new UI.TextPrompt();
     this._prompt.initialize(this.completions.bind(this), ' ');
     this._proxyElement = this._prompt.attach(this._promptElement);
 
     this.element.addEventListener('click', this._messagesClicked.bind(this), true);
   }
 
   _messagesClicked() {
@@ skipping 140 matching lines @@
     resultElement.className = 'database-query-result';
     element.appendChild(resultElement);
     return resultElement;
   }
 };
 
 /** @enum {symbol} */
 Resources.DatabaseQueryView.Events = {
   SchemaUpdated: Symbol('SchemaUpdated')
 };