Show media and VTT text tracks in the devtools.

Source/devtools/front_end/networkLogView.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 183 matching lines @@
 }
 
 .network-log-grid.data-grid .network-type-stylesheet .icon {
     content: url(Images/resourceCSSIcon.png);
 }
 
 .network-log-grid.data-grid.small .network-type-stylesheet .icon {
     content: url(Images/resourceDocumentIconSmall.png);
 }
 
+.network-log-grid.data-grid .network-type-media .icon {
+    content: url(Images/resourcePlainIcon.png); // FIXME: media icon
+}
+
+.network-log-grid.data-grid.small .network-type-media .icon {
+    content: url(Images/resourcePlainIconSmall.png); // FIXME: media icon
+}
+.network-log-grid.data-grid .network-type-texttrack .icon {
+    content: url(Images/resourcePlainIcon.png); // FIXME: vtt icon
+}
+
+.network-log-grid.data-grid.small .network-type-texttrack .icon {
+    content: url(Images/resourcePlainIconSmall.png); // FIXME: vtt icon
+}
+
 .network-log-grid.data-grid .network-type-image .icon {
     position: relative;
     background-image: url(Images/resourcePlainIcon.png);
     background-repeat: no-repeat;
     content: "";
 }
 
 .network-log-grid.data-grid.small .network-type-image .icon {
     background-image: url(Images/resourcePlainIconSmall.png);
     content: "";
@@ skipping 183 matching lines @@
     background: linear-gradient(0deg, hsl(272, 46%, 61%), hsl(272, 64%, 69%));
 }
 
 .network-type-image.resource-cached .network-graph-bar {
     background: hsl(272, 65%, 86%);
     box-shadow: inset 0 1px 1px 0px rgba(255, 255, 255, 0.8),
                 inset 0 0 0 2px hsl(272, 47%, 61%),
                 inset 0 1px 0 2px hsla(273, 38%, 65%, 0.85);
 }
 
+.network-type-media .network-graph-bar {
+    -webkit-border-image: url(Images/timelinePillPurple.png) 6 7 6 7;
+}
+
+.network-type-media.resource-cached .network-graph-bar {
+    border-image: url(Images/timelineHollowPillPurple.png) 7 7 7 7;
+}
+
 .network-type-font .network-graph-bar {
     border-color: hsl(8, 49%, 52%);
     background: linear-gradient(0deg, hsl(8, 72%, 61%), hsl(8, 100%, 69%));
 }
 
 .network-type-font.resource-cached .network-graph-bar {
     background: hsl(8, 100%, 86%);
     box-shadow: inset 0 1px 1px 0px rgba(255, 255, 255, 0.8),
                 inset 0 0 0 2px hsl(8, 72%, 61%),
                 inset 0 1px 0 2px hsla(8, 59%, 65%, 0.85);
 }
 
+.network-type-texttrack .network-graph-bar {
+    -webkit-border-image: url(Images/timelinePillRed.png) 6 7 6 7;
+}
+
+.network-type-texttrack.resource-cached .network-graph-bar {
+    border-image: url(Images/timelineHollowPillRed.png) 7 7 7 7;
+}
+
 .network-type-script .network-graph-bar {
     border-color: hsl(31, 49%, 52%);
     background: linear-gradient(0deg, hsl(31, 72%, 61%), hsl(31, 100%, 69%));
 }
 
 .network-type-script.resource-cached .network-graph-bar {
     background: hsl(31, 100%, 86%);
     box-shadow: inset 0 1px 1px 0px rgba(255, 255, 255, 0.8),
                 inset 0 0 0 2px hsl(31, 78%, 61%),
                 inset 0 1px 0 2px hsla(31, 64%, 65%, 0.85);
@@ skipping 143 matching lines @@
 }
 
 #network-container:not(.brief-mode) .data-grid tr.selected {
     background-color: transparent;
     color: #222;
 }
 
 #network-container.brief-mode .data-grid .data-container {
     padding-right: 0;
 }