[DevTools] Get rid of floats in treeoutline.

third_party/WebKit/Source/devtools/front_end/components/ObjectPropertiesSection.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 31 matching lines @@
     this._objectTreeElement = new WebInspector.ObjectPropertiesSection.RootElement(object, emptyPlaceholder, ignoreHasOwnProperty, extraProperties);
     this.appendChild(this._objectTreeElement);
     if (typeof title === "string" || !title)
         this.element.createChild("span").textContent = title || "";
     else
         this.element.appendChild(title);
 
     this.element._section = this;
     this.registerRequiredCSS("components/objectValue.css");
     this.registerRequiredCSS("components/objectPropertiesSection.css");
-    this.rootElement().childrenListElement.classList.add("source-code", "object-properties-section")
+    this.rootElement().childrenListElement.classList.add("source-code", "object-properties-section");
 }
 
 /** @const */
 WebInspector.ObjectPropertiesSection._arrayLoadThreshold = 100;
 
 /**
  * @param {!WebInspector.RemoteObject} object
  * @param {boolean=} skipProto
  * @return {!Element}
  */
@@ skipping 87 matching lines @@
 {
     this._object = object;
     this._extraProperties = extraProperties || [];
     this._ignoreHasOwnProperty = !!ignoreHasOwnProperty;
     this._emptyPlaceholder = emptyPlaceholder;
     var contentElement = createElement("content");
     TreeElement.call(this, contentElement);
     this.setExpandable(true);
     this.selectable = false;
     this.toggleOnClick = true;
+    this.listItemElement.classList.add("object-properties-section-root-element");
 }
 
 WebInspector.ObjectPropertiesSection.RootElement.prototype = {
 
     onexpand: function()
     {
         if (this.treeOutline)
             this.treeOutline.element.classList.add("expanded");
     },
 
@@ skipping 1084 matching lines @@
                 return;
             if (token === "(") {
                 params = [];
                 return;
             }
             if (params && tokenType === "js-def")
                 params.push(token);
         }
     }
 }