[DevTools] Get rid of floats in treeoutline.

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 18 matching lines @@
 
 .resources.panel .sidebar {
     padding-left: 0;
     z-index: 10;
     display: block;
 }
 
 .resources.panel .sidebar li {
     height: 18px;
     white-space: nowrap;
+    padding-top: 1px;
 }
 
 .resources.panel .sidebar li.selected {
     color: white;
     text-shadow: rgba(0, 0, 0, 0.33) 1px 1px 0;
 }
 
 .resources.panel .sidebar li.selected .selection {
     background-image: linear-gradient(to bottom, rgb(162, 177, 207), rgb(120, 138, 177));
     border-top: 1px solid #979797;
     height: 18px;
 }
 
 .resources.panel .sidebar :focus li.selected .selection {
     background-image: linear-gradient(to bottom, rgb(92, 147, 213), rgb(21, 83, 170));
     border-top: 1px solid rgb(68, 128, 200);
 }
 
 body.inactive .resources.panel .sidebar li.selected .selection {
     background-image: linear-gradient(to bottom, rgb(180, 180, 180), rgb(138, 138, 138));
     border-top: 1px solid rgb(151, 151, 151);
 }
 
 .resources.panel .sidebar .icon {
     width: 16px;
     height: 16px;
-    float: left;
+    position: relative;
+    top: 3px;
+    margin-top: -3px;
 }
 
 .resources.panel .base-storage-tree-element-title {
     overflow: hidden;
-    position: relative;
     text-overflow: ellipsis;
     padding-left: 2px;
-    top: 1px;
+    display: inline;
 }
 
 .resources-toolbar {
     border-top: 1px solid #ccc;
     background-color: #eee;
 }
 
 li.selected .base-storage-tree-element-subtitle {
     color: white;
 }
@@ skipping 256 matching lines @@
     content: url(Images/cookie.png);
 }
 
 .application-cache-storage-tree-item .icon {
     content: url(Images/applicationCache.png);
 }
 
 .file-system-storage-tree-item .icon {
     content: url(Images/fileSystem.png);
 }