code: function( width, height ){
  
              var layer;
              proto.resize.call( this, width, height );
  
              for ( var id in this._layers ){
  
                  layer = this._layers[ id ];
                  if ( layer.options.autoResize ){
                      layer.el.width = this.width;
                      layer.el.height = this.height;
                  }
              }
  
              return this;
          }
docs: CanvasRenderer#resize( width, height ) -> this
  - width (Number): The width
  - height (Number): The height
  
  Resize all layer canvases that have the `autoResize` option set to `true`.