DevTools: Fixes regression in cookies tab in Network panel having no output

third_party/WebKit/Source/devtools/front_end/cookie_table/CookiesTable.js

Index: third_party/WebKit/Source/devtools/front_end/cookie_table/CookiesTable.js
diff --git a/third_party/WebKit/Source/devtools/front_end/cookie_table/CookiesTable.js b/third_party/WebKit/Source/devtools/front_end/cookie_table/CookiesTable.js
index 4bb51710c7e9f87027522c90879ab0ceb33de3a2..adf3439b57ebf634e066deb0346f6f97b3d0e162 100644
--- a/third_party/WebKit/Source/devtools/front_end/cookie_table/CookiesTable.js
+++ b/third_party/WebKit/Source/devtools/front_end/cookie_table/CookiesTable.js
@@ -161,10 +161,13 @@ CookieTable.CookiesTable = class extends UI.VBox {
 
   /**
    * @param {{current: ?SDK.Cookie, neighbor: ?SDK.Cookie}} selectionCookies
-   * @param {!Array<!SDK.Cookie>} cookies
+   * @param {?Array<!SDK.Cookie>} cookies
    * @return {?SDK.Cookie}
    */
   _findSelectedCookie(selectionCookies, cookies) {
+    if (!cookies)
+      return null;
+
     var current = selectionCookies.current;
     var foundCurrent = cookies.find(cookie => this._isSameCookie(cookie, current));
     if (foundCurrent)