DevTools: Fixes to Storage panel inconsistencies

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 0bea9c03cd4d5abb80fb3af9e8a784e5e2812424..ac61f582e64f6f8e0463e90334427846bc7b3b59 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
@@ -36,13 +36,15 @@ CookieTable.CookiesTable = class extends UI.VBox {
    * @param {function(!SDK.Cookie, ?SDK.Cookie, function(?string))=} saveCallback
    * @param {function()=} refreshCallback
    * @param {function()=} selectedCallback
+   * @param {function(!SDK.Cookie)=} deleteCallback
    * @param {string=} cookieDomain
    */
-  constructor(saveCallback, refreshCallback, selectedCallback, cookieDomain) {
+  constructor(saveCallback, refreshCallback, selectedCallback, deleteCallback, cookieDomain) {
     super();
 
     this._saveCallback = saveCallback;
     this._refreshCallback = refreshCallback;
+    this._deleteCallback = deleteCallback;
     this._cookieDomain = cookieDomain;
 
     var editable = !!saveCallback;
@@ -129,6 +131,11 @@ CookieTable.CookiesTable = class extends UI.VBox {
     return node ? node.cookie : null;
   }
 
+  removeSelectedCookie() {
+    if (this._dataGrid.selectedNode)
+      this._onDeleteCookie(this._dataGrid.selectedNode);
+  }
+
   /**
    * @override
    */
@@ -313,13 +320,16 @@ CookieTable.CookiesTable = class extends UI.VBox {
     return node;
   }
 
+  /**
+   * @param {!DataGrid.DataGridNode} node
+   */
   _onDeleteCookie(node) {
     var cookie = node.cookie;
-    var neighbour = node.traverseNextNode() || node.traversePreviousNode();
+    var neighbour = node.traverseNextNode(true) || node.traversePreviousNode(true);
     if (neighbour)
       this._nextSelectedCookie = neighbour.cookie;
-    cookie.remove();
-    this._refresh();
+    if (cookie && this._deleteCallback)
+      this._deleteCallback(cookie);
   }
 
   /**