[DevTools] Clear local storage

third_party/WebKit/Source/devtools/front_end/resources/ResourcesPanel.js

 /*
  * Copyright (C) 2007, 2008, 2010 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 562 matching lines @@
     view = this._domStorageViews.get(domStorage);
     if (!view) {
       view = new Resources.DOMStorageItemsView(domStorage);
       this._domStorageViews.set(domStorage, view);
     }
 
     this._innerShowView(view);
   }
 
   /**
+   * @param {!Resources.DOMStorage} domStorage
+   */
+  _clearDOMStorage(domStorage) {
+    if (!domStorage)
+      return;
+
+    var view = this._domStorageViews.get(domStorage);
+    if (view)
+      view.clear();
+    else
+      domStorage.clear();
+  }
+
+  /**
    * @param {!Resources.CookieTreeElement} treeElement
    * @param {string} cookieDomain
    */
   showCookies(treeElement, cookieDomain) {
     var view = this._cookieViews[cookieDomain];
     if (!view) {
       view = new Resources.CookieItemsView(treeElement, cookieDomain);
       this._cookieViews[cookieDomain] = view;
     }
 
@@ skipping 1302 matching lines @@
 
   /**
    * @override
    * @return {boolean}
    */
   onselect(selectedByUser) {
     super.onselect(selectedByUser);
     this._storagePanel._showDOMStorage(this._domStorage);
     return false;
   }
+
+    /**
+   * @override
+   */
+  onattach() {
+    super.onattach();
+    this.listItemElement.addEventListener('contextmenu', this._handleContextMenuEvent.bind(this), true);

[pfeldman, 2017/01/13 18:51:25]

Drop context menu.

[eostroukhov, 2017/01/19 00:42:10]

I do not see any harm in having this menu item - since cookies view has it
already.

+  }
+
+  _handleContextMenuEvent(event) {
+    var contextMenu = new UI.ContextMenu(event);
+    if (this._domStorage.isLocalStorage)
+      contextMenu.appendItem(Common.UIString('Clear'), this._clearDOMStorage.bind(this));
+    contextMenu.show();
+  }
+
+  _clearDOMStorage() {
+    this._storagePanel._clearDOMStorage(this._domStorage);
+  }
 };
 
 /**
  * @unrestricted
  */
 Resources.CookieTreeElement = class extends Resources.BaseStorageTreeElement {
   constructor(storagePanel, cookieDomain) {
     super(
         storagePanel, cookieDomain ? cookieDomain : Common.UIString('Local Files'),
         ['cookie-tree-item', 'resource-tree-item']);
@@ skipping 127 matching lines @@
 
     this.element.classList.add('storage-view');
     this._emptyWidget = new UI.EmptyWidget('');
     this._emptyWidget.show(this.element);
   }
 
   setText(text) {
     this._emptyWidget.text = text;
   }
 };