SameSite: Teach devtools about the new 'samesite' syntax.

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

 /*
  * Copyright (C) 2012 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 202 matching lines @@
     {
         return cookies.map(this._buildCookie.bind(this));
     },
 
     /**
      * @param {!WebInspector.Cookie} cookie
      * @return {!Object}
      */
     _buildCookie: function(cookie)
     {
-        return {
+        var c = {
             name: cookie.name(),
             value: cookie.value(),
             path: cookie.path(),
             domain: cookie.domain(),
             expires: cookie.expiresDate(WebInspector.HARLog.pseudoWallTime(this._request, this._request.startTime)),
             httpOnly: cookie.httpOnly(),
             secure: cookie.secure()
         };
+        if (cookie.sameSite())
+            c.sameSite = cookie.sameSite();
+        return c;
     },
 
     /**
      * @return {number}
      */
     get requestBodySize()
     {
         return !this._request.requestFormData ? 0 : this._request.requestFormData.length;
     },
 
@@ skipping 125 matching lines @@
      * @return {number}
      */
     _pageEventTime: function(page, time)
     {
         var startTime = page.startTime;
         if (time === -1 || startTime === -1)
             return -1;
         return WebInspector.HAREntry._toMilliseconds(time - startTime);
     }
 }