code: private void setHeight() {
  
          int infoDiff = m_firstInfoHeight - m_dialogInfo.getOffsetHeight();
          int summaryDiff = m_firstSummaryHeight - m_selectionSummary.getOffsetHeight();
          int height = m_firstContentHeight + infoDiff + summaryDiff;
          m_scrollPanel.getElement().getStyle().setHeight(height, Unit.PX);
          m_scrollPanel.getElement().getStyle().clearProperty("minHeight");
          m_scrollPanel.getElement().getStyle().clearProperty("maxHeight");
          doResize();
      }
docs: Sets the height for the content so that the dialog finally has the same height
  as the dialog has on the selection screen.<p>