Use inherited dispatchChangeEvent and getRevision in ol.Feature

src/ol/feature.js

@@ -41,12 +41,6 @@ ol.Feature = function(opt_geometryOrValues) {
    */
   this.geometryName_ = 'geometry';
 
-  /**
-   * @private
-   * @type {number}
-   */
-  this.revision_ = 0;
-
   /**
    * @private
    * @type {goog.events.Key}
@@ -76,15 +70,6 @@ ol.Feature = function(opt_geometryOrValues) {
 goog.inherits(ol.Feature, ol.Object);
 
 
-/**
- * FIXME empty description for jsdoc
- */
-ol.Feature.prototype.dispatchChangeEvent = function() {
-  ++this.revision_;
-  this.dispatchEvent(goog.events.EventType.CHANGE);
-};
-
-
 /**
  * @return {ol.geom.Geometry|undefined} Geometry.
  */
@@ -114,14 +99,6 @@ ol.Feature.prototype.getGeometryName = function() {
 };
 
 
-/**
- * @return {number} Revision.
- */
-ol.Feature.prototype.getRevision = function() {
-  return this.revision_;
-};
-
-
 /**
  * @return {ol.feature.FeatureStyleFunction|undefined} Style function.
  */