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

third_party/WebKit/Source/devtools/front_end/resources/resourcesPanel.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * 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 80 matching lines @@
 }
 
 .database-query-prompt-container {
     position: relative;
     padding: 1px 22px 1px 24px;
 }
 
 .database-query-prompt {
     min-height: 16px;
     white-space: pre-wrap;
-    -webkit-user-modify: read-write-plaintext-only;
-    -webkit-user-select: text;
 }
 
 .prompt-icon {
     position: absolute;
     display: block;
     left: 7px;
     top: 9px;
     margin-top: -7px;
     -webkit-user-select: none;
 }
@@ skipping 49 matching lines @@
     left: 3px;
     right: 3px;
     max-width: 8px;
     max-height: 11px;
     overflow: hidden;
 }
 
 .resources-sidebar {
     padding: 0;
 }