DevTools: Add "caret-color: auto" as one of the possibilities

third_party/WebKit/Source/devtools/front_end/sdk/CSSMetadata.js

 /*
  * Copyright (C) 2010 Nikita Vasilyev. All rights reserved.
  * Copyright (C) 2010 Joseph Pecoraro. All rights reserved.
  * Copyright (C) 2010 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
@@ skipping 686 matching lines @@
       'normal', 'multiply', 'screen', 'overlay', 'darken', 'lighten', 'color-dodge', 'color-burn', 'hard-light',
       'soft-light', 'difference', 'exclusion', 'hue', 'saturation', 'color', 'luminosity', 'unset'
     ]
   },
   'background-blend-mode': {
     values: [
       'normal', 'multiply', 'screen', 'overlay', 'darken', 'lighten', 'color-dodge', 'color-burn', 'hard-light',
       'soft-light', 'difference', 'exclusion', 'hue', 'saturation', 'color', 'luminosity', 'unset'
     ]
   },
+  'caret-color': {values: ['auto']},
 };
 
 // Weight of CSS properties based on their usage from https://www.chromestatus.com/metrics/css/popularity
 SDK.CSSMetadata.Weight = {
   'align-content': 57,
   'align-items': 129,
   'align-self': 55,
   'animation': 175,
   'animation-delay': 114,
   'animation-direction': 113,
@@ skipping 239 matching lines @@
   'widows': 115,
   'width': 268,
   'will-change': 74,
   'word-break': 166,
   'word-spacing': 157,
   'word-wrap': 197,
   'writing-mode': 41,
   'z-index': 239,
   'zoom': 200
 };