DevTools: style selected call frames as arrows.

third_party/WebKit/Source/devtools/front_end/ui/smallIcon.css

 /*
  * Copyright (c) 2015 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 div {
     width: 10px;
     height: 10px;
     margin-right: 4px;
@@ skipping 24 matching lines @@
 div.orange-ball {
     background-image: url(Images/toolbarButtonGlyphs_2x.png);
 }
 } /* media */
 
 div.error-icon {
     background-position: -213px -96px;
 }
 
 div.revokedError-icon {
-    background-position: -245px -107px;
+    background-position: -246px -107px;
 }
 
 div.warning-icon {
     background-position: -202px -107px;
 }
 
 div.info-icon {
     background-position: -213px -107px;
 }
 
 div.device-icon {
     background-position: -224px -107px;
 }
 
 div.red-ball {
     background-position: -224px -96px;
 }
 
 div.green-ball {
     background-position: -235px -96px;
 }
 
 div.orange-ball {
     background-position: -246px -96px;
 }