DevTools: align more status bar button usages.

Source/devtools/front_end/sources/sourcesView.css

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 36 matching lines @@
 
 #sources-panel-sources-view .sources-status-bar {
     display: flex;
     position: relative;
     flex: 0 0 20px;
     background-color: #eee;
     border-top: 1px solid rgb(196,196,196);
 }
 
 #sources-panel-sources-view .sources-status-bar .status-bar-item {
-    margin-top: -1px;
+    margin-top: -2px;
     height: 20px;
 }
 
 #sources-panel-sources-view .sources-status-bar .status-bar-item.status-bar-text {
     margin: auto 0;
     height: auto;
 }
 
 #sources-panel-sources-view .source-frame-cursor-position {
     -webkit-user-select: text;
@@ skipping 111 matching lines @@
 
 .source-frame-infobar-toggle {
     flex: 1 0 auto;
     padding: 0 4px;
     -webkit-user-select: none;
 }
 
 .source-frame-infobar-details-url {
     flex: 0 1000 auto;
 }