DevTools: introduce the Clear storage pane in the resources panel.

third_party/WebKit/Source/devtools/front_end/resources/IndexedDBModel.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 149 matching lines @@
         this.target().resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.SecurityOriginAdded, this._securityOriginAdded, this);
         this.target().resourceTreeModel.addEventListener(WebInspector.ResourceTreeModel.EventTypes.SecurityOriginRemoved, this._securityOriginRemoved, this);
 
         var securityOrigins = this.target().resourceTreeModel.securityOrigins();
         for (var i = 0; i < securityOrigins.length; ++i)
             this._addOrigin(securityOrigins[i]);
 
         this._enabled = true;
     },
 
+    /**
+     * @param {string} origin
+     */
+    clearForOrigin: function(origin)
+    {
+        if (!this._enabled)
+            return;
+
+        this._removeOrigin(origin);
+        this._addOrigin(origin);
+    },
+
     refreshDatabaseNames: function()
     {
         for (var securityOrigin in this._databaseNamesBySecurityOrigin)
             this._loadDatabaseNames(securityOrigin);
     },
 
     /**
      * @param {!WebInspector.IndexedDBModel.DatabaseId} databaseId
      */
     refreshDatabase: function(databaseId)
@@ skipping 341 matching lines @@
  * @param {!WebInspector.Target} target
  * @return {?WebInspector.IndexedDBModel}
  */
 WebInspector.IndexedDBModel.fromTarget = function(target)
 {
     var model = /** @type {?WebInspector.IndexedDBModel} */ (target.model(WebInspector.IndexedDBModel));
     if (!model)
         model = new WebInspector.IndexedDBModel(target);
     return model;
 }