add getNativeNode and getHostNode to fix warn

Author: huangqi03

lib/ContainerMixin.js

@@ -121,7 +121,9 @@ var ContainerMixin = Object.assign({}, ReactMultiChild.Mixin, {
  i++;
  }
  }
- }
+ },
+ getHostNode: function () {},
+ getNativeNode: function () {}
 
 });
 

lib/LayerMixin.js

@@ -88,7 +88,9 @@ var LayerMixin = {
 
  unmountComponent: function() {
  this.destroyEventListeners();
- }
+ },
+ getHostNode: function () {},
+ getNativeNode: function () {}
 
 };
 

lib/createComponent.js

@@ -6,12 +6,13 @@
 var RenderLayer = require('./RenderLayer');
 
 function createComponent (name) {
- var ReactCanvasComponent = function (props) {
+ var ReactCanvasComponent = function (element) {
  this.node = null;
  this.subscriptions = null;
  this.listeners = null;
  this.node = new RenderLayer();
  this._mountImage = null;
+ this._currentElement = element;
  this._renderedChildren = null;
  this._mostRecentlyPlacedChild = null;
  };