[Ieview] XPCNativeWrapper error and fix.

[Paul Roub]

mozillafirebird at gmail.com wrote:
> I encountered a Console error that said:
> Error: [Exception... "Could not convert JavaScript argument"  nsresult: 
> "0x80570009 (NS_ERROR_XPC_BAD_CONVERT_JS)"
> location: "JS frame :: chrome://ieview/content/ieviewOverlay.js :: 
> anonymous :: line 951" data: no]
> Source File: chrome://ieview/content/ieviewOverlay.js
> Line: 951
> 
> If you change these lines in ieviewOverlay.js:
> var winWrapper = new XPCNativeWrapper(window._content, 'document');
> var docWrapper = new XPCNativeWrapper(winWrapper.document, 'location');
> var locWrapper = new XPCNativeWrapper(docWrapper.location, 'href');
> 
> return(locWrapper.href);
> 
> to:
> var locWrapper = new XPCNativeWrapper(window, 'location', 'href');
> 
> return(locWrapper.location.href);
> 
> the error goes away, and ieview still works.
> 

What version of Firefox/Mozilla was this under?  I don't think we can 
count on 'window' meaning what we want it to, in chrome context, in 
recent Firefox versions.

-paul