Move logic from nsObjectFrame::Instantiate(const char*, nsIURI*) into
nsObjectLoadingContent.
Also, fixes ext-to-type mapping if the URI does not implement nsIURL.
r+sr=bz
- Make object frames have no children
- Make the frame constructor construct a subdocumentframe, object frame or
image frame as appropriate
- start the load of <applet>, <embed> and <object> in content code
- fallback to alternate rendering correctly
NOTE: This checkin will break the plugin finder. This will be fixed soon.
r+sr=bz