@NotNull
  private Content createFramesContent() {
    XFramesView framesView = new XFramesView(mySession);
    registerView(DebuggerContentInfo.FRAME_CONTENT, framesView);
    Content framesContent = myUi.createContent(DebuggerContentInfo.FRAME_CONTENT, framesView.getMainPanel(),
                                               XDebuggerBundle.message("debugger.session.tab.frames.title"), null, framesView.getDefaultFocusedComponent());
    framesContent.setCloseable(false);
    return framesContent;
  }
@NotNull
  private Content createFramesContent()