Indent media queries in CSS files for the DevTools.

Source/devtools/front_end/timelinePanel.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 164 matching lines @@
 .timeline-category-checkbox-checked {
     background-image: url(Images/statusbarButtonGlyphs.png);
     background-size: 320px 120px;
     background-position: -129px -110px;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
 .timeline-category-checkbox-checked {
     background-image: url(Images/statusbarButtonGlyphs2x.png);
 }
-}
+} /* media */
 
 .timeline-tree-item {
     height: 18px;
     line-height: 15px;
     padding-right: 5px;
     padding-left: 5px;
     padding-top: 2px;
     white-space: nowrap;
     text-overflow: ellipsis;
     overflow: hidden;
@@ skipping 22 matching lines @@
     height: 10px;
     position: relative;
     top: 3px;
     left: 2px;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
 .timeline-expandable-arrow {
     background-image: url(Images/statusbarButtonGlyphs2x.png);
 }
-}
+} /* media */
 
 .timeline-expandable-collapsed .timeline-expandable-arrow {
     background-position: -4px -96px;
 }
 
 .timeline-expandable-expanded .timeline-expandable-arrow {
     background-position: -20px -96px;
 }
 
 .timeline-tree-item .type {
@@ skipping 34 matching lines @@
     position: relative;
     top: 2px;
     background-position: -202px -107px;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
 .timeline-tree-item.warning::after,
 .timeline-tree-item.child-warning::after {
     background-image: url(Images/statusbarButtonGlyphs2x.png);
 }
-}
+} /* media */
 
 .timeline-tree-item.child-warning::after {
     opacity: 0.5;
 }
 
 .timeline-tree-item .data.dimmed {
     color: rgba(0, 0, 0, 0.7);
 }
 
 #timeline-overview-events,
@@ skipping 180 matching lines @@
     margin-right: 0;
     -webkit-mask-image: url(Images/statusbarButtonGlyphs.png);
     -webkit-mask-size: 320px 120px;
     background-color: black;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
 #timeline-overview-sidebar .icon {
     -webkit-mask-image: url(Images/statusbarButtonGlyphs2x.png);
 }
-}
+} /* media */
 
 .timeline-overview-sidebar-events .icon {
     -webkit-mask-position: -192px -48px;
 }
 
 .timeline-overview-sidebar-frames .icon {
     -webkit-mask-position: -160px -48px;
 }
 
 .timeline-overview-sidebar-memory .icon {
@@ skipping 190 matching lines @@
 }
 
 .highlighted-timeline-record {
     -webkit-animation: "timeline_record_highlight" 2s 0s;
 }
 
 @-webkit-keyframes timeline_record_highlight {
     from {background-color: rgba(255, 255, 120, 1); }
     to { background-color: rgba(255, 255, 120, 0); }
 }