[DevTools] Remove Common.Event.target field.

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 254 matching lines @@
     }
     return result;
   }
 
   /**
    * @param {string} securityOrigin
    * @param {string} databaseName
    */
   _databaseAdded(securityOrigin, databaseName) {
     var databaseId = new Resources.IndexedDBModel.DatabaseId(securityOrigin, databaseName);
-    this.dispatchEventToListeners(Resources.IndexedDBModel.Events.DatabaseAdded, databaseId);
+    this.dispatchEventToListeners(Resources.IndexedDBModel.Events.DatabaseAdded, {model: this, databaseId: databaseId});
   }
 
   /**
    * @param {string} securityOrigin
    * @param {string} databaseName
    */
   _databaseRemoved(securityOrigin, databaseName) {
     var databaseId = new Resources.IndexedDBModel.DatabaseId(securityOrigin, databaseName);
-    this.dispatchEventToListeners(Resources.IndexedDBModel.Events.DatabaseRemoved, databaseId);
+    this.dispatchEventToListeners(
+        Resources.IndexedDBModel.Events.DatabaseRemoved, {model: this, databaseId: databaseId});
   }
 
   /**
    * @param {string} securityOrigin
    */
   _loadDatabaseNames(securityOrigin) {
     /**
      * @param {?Protocol.Error} error
      * @param {!Array.<string>} databaseNames
      * @this {Resources.IndexedDBModel}
@@ skipping 39 matching lines @@
         for (var j = 0; j < objectStore.indexes.length; ++j) {
           var index = objectStore.indexes[j];
           var indexIDBKeyPath = Resources.IndexedDBModel.idbKeyPathFromKeyPath(index.keyPath);
           var indexModel =
               new Resources.IndexedDBModel.Index(index.name, indexIDBKeyPath, index.unique, index.multiEntry);
           objectStoreModel.indexes[indexModel.name] = indexModel;
         }
         databaseModel.objectStores[objectStoreModel.name] = objectStoreModel;
       }
 
-      this.dispatchEventToListeners(Resources.IndexedDBModel.Events.DatabaseLoaded, databaseModel);
+      this.dispatchEventToListeners(
+          Resources.IndexedDBModel.Events.DatabaseLoaded, {model: this, database: databaseModel});
     }
 
     this._agent.requestDatabase(databaseId.securityOrigin, databaseId.name, callback.bind(this));
   }
 
   /**
    * @param {!Resources.IndexedDBModel.DatabaseId} databaseId
    * @param {string} objectStoreName
    * @param {?IDBKeyRange} idbKeyRange
    * @param {number} skipCount
@@ skipping 177 matching lines @@
   }
 
   /**
    * @return {string}
    */
   get keyPathString() {
     return /** @type {string}*/ (
         Resources.IndexedDBModel.keyPathStringFromIDBKeyPath(/** @type {string}*/ (this.keyPath)));
   }
 };