DevTools: [Icons] normalize icon sizes

third_party/WebKit/Source/devtools/front_end/ui/viewContainers.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 41 matching lines @@
 .expandable-view-title .toolbar {
     margin-top: -3px;
 }
 
 .expandable-view-title:not(.expanded) .toolbar {
     display: none;
 }
 
 .title-expand-icon {
     margin-right: 2px;
+    margin-bottom: -2px;
 }
 
 .expandable-view-title > .toolbar {
     position: absolute;
     right: 0;
     top: 0;
 }
 
 .sidebar-pane-container .toolbar {
     border-bottom: 1px solid #eee;
 }
 
 .sidebar-pane-container .toolbar > * {
     pointer-events: auto;
 }