none of the ones you mentioned are there but the following are
file://localhost/Library/Internet%20Plug-Ins/Flash%20Player.plugin/
file://localhost/Library/Internet%20Plug-Ins/flashplayer.xpt
file://localhost/Library/Internet%20Plug-Ins/Google%20Earth%20Web%20Plug-in.plug in/
file://localhost/Library/Internet%20Plug-Ins/GoogleGadget.webplugin/
file://localhost/Library/Internet%20Plug-Ins/googletalkbrowserplugin.plugin/
file://localhost/Library/Internet%20Plug-Ins/iPIXBrowserReadme.rtf
file://localhost/Library/Internet%20Plug-Ins/ipxBrowserPlugin/
file://localhost/Library/Internet%20Plug-Ins/JavaAppletPlugin.plugin/
file://localhost/Library/Internet%20Plug-Ins/LogMeIn.plugin/
file://localhost/Library/Internet%20Plug-Ins/LogMeInSafari32.plugin/
file://localhost/Library/Internet%20Plug-Ins/LogMeInSafari64.plugin/
file://localhost/Library/Internet%20Plug-Ins/npgtpo3dautoplugin.plugin/
file://localhost/Library/Internet%20Plug-Ins/nsIQTScriptablePlugin.xpt
file://localhost/Library/Internet%20Plug-Ins/OfficeLiveBrowserPlugin.plugin/
file://localhost/Library/Internet%20Plug-Ins/Quartz%20Composer.webplugin/
file://localhost/Library/Internet%20Plug-Ins/QuickTime%20Plugin.plugin/
file://localhost/Library/Internet%20Plug-Ins/RayV.plugin/
file://localhost/Library/Internet%20Plug-Ins/RealPlayer%20Plugin.plugin/
file://localhost/Library/Internet%20Plug-Ins/SharePointBrowserPlugin.plugin/
file://localhost/Library/Internet%20Plug-Ins/SharePointWebKitPlugin.webplugin/
file://localhost/Library/Internet%20Plug-Ins/Silverlight.plugin/
file://localhost/Library/Internet%20Plug-Ins/WacomNetscape.plugin/
file://localhost/Library/Internet%20Plug-Ins/WacomTabletPlugin.plugin/