Delphi封装的google浏览器内核，使用他可以摆脱ie内核的webbrowser的种种限制
http://download.csdn.net/download/ozhy111/5904995
屏蔽右键菜单
procedure TMainForm.crmBeforeContextMenu(Sender: TObject; const browser: ICefBrowser; const frame: ICefFrame; const params: ICefContextMenuParams; const model: ICefMenuModel);
begin
model.Clear;
end;