Don't set shouldComponentUpdate

Author: jeroencoumans

ScrollListenerMixin.js

@@ -31,21 +31,14 @@ var ScrollListenerMixin = {
     }
   },
 
-  shouldComponentUpdate: function(nextProps, nextState) {
-    return (
-      nextState.scrollTop !== this.state.scrollTop ||
-      nextState.isScrolling !== this.state.isScrolling
-    )
-  },
-
   _onPageScrollEnd: function () {
     var scrollTop = getScrollTop();
     if (scrollTop === this.state.scrollTop) {
       win.clearTimeout(this._pageScrollTimeout);
       this.setState({ isScrolling: false });
 
       if (typeof this.props.onPageScrollEnd === 'function') {
-        this.props.onPageScrollEnd(scrollTop, isScrolling);
+        this.props.onPageScrollEnd(scrollTop);
       }
     }
   },
@@ -67,4 +60,4 @@ var ScrollListenerMixin = {
   }
 };
 
-module.exports = ScrollListenerMixin;
+module.exports = ScrollListenerMixin;