DevTools: Remove leading newline on scripts immediately

third_party/WebKit/Source/devtools/front_end/elements/ElementsTreeElement.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.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:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 1427 matching lines @@
                 break;
             }
 
             if (this.treeOutline.isXMLMimeType || !WebInspector.ElementsTreeElement.ForbiddenClosingTagElements.has(tagName))
                 this._buildTagDOM(titleDOM, tagName, true, false, updateRecord);
             break;
 
         case Node.TEXT_NODE:
             if (node.parentNode && node.parentNode.nodeName().toLowerCase() === "script") {
                 var newNode = titleDOM.createChild("span", "webkit-html-text-node webkit-html-js-node");
-                newNode.textContent = node.nodeValue();
+                var text = node.nodeValue();
+                newNode.textContent = text.startsWith("\n") ? text.substring(1) : text;
 
                 var javascriptSyntaxHighlighter = new WebInspector.DOMSyntaxHighlighter("text/javascript", true);
                 javascriptSyntaxHighlighter.syntaxHighlightNode(newNode).then(updateSearchHighlight.bind(this));
             } else if (node.parentNode && node.parentNode.nodeName().toLowerCase() === "style") {
                 var newNode = titleDOM.createChild("span", "webkit-html-text-node webkit-html-css-node");
-                newNode.textContent = node.nodeValue();
+                var text = node.nodeValue();
+                newNode.textContent = text.startsWith("\n") ? text.substring(1) : text;
 
                 var cssSyntaxHighlighter = new WebInspector.DOMSyntaxHighlighter("text/css", true);
                 cssSyntaxHighlighter.syntaxHighlightNode(newNode).then(updateSearchHighlight.bind(this));
             } else {
                 titleDOM.createTextChild("\"");
                 var textNodeElement = titleDOM.createChild("span", "webkit-html-text-node");
                 var result = this._convertWhitespaceToEntities(node.nodeValue());
                 textNodeElement.textContent = result.text;
                 WebInspector.highlightRangesWithStyleClass(textNodeElement, result.entityRanges, "webkit-html-entity-value");
                 titleDOM.createTextChild("\"");
@@ skipping 159 matching lines @@
     },
 
     _editAsHTML: function()
     {
         var promise = WebInspector.Revealer.revealPromise(this.node());
         promise.then(() => WebInspector.actionRegistry.action("elements.edit-as-html").execute());
     },
 
     __proto__: TreeElement.prototype
 }