shdocvw: Implement IWebBrowser::ExecWB and IWebBrowser::QueryStatusWB.

[Greg Geldorp]

From: Erich Hoover
> On Thu, Jan 27, 2011 at 3:53 AM, Greg Geldorp <ggeldorp at vmware.com> wrote:
> > ...
> > Looking at http://test.winehq.org/data/tests/shdocvw:webbrowser.html, the
> > shdocvw:webbrowser test doesn't have a history of occasional crashes.
> > There are a few failures, but none of them are due to access violations.
> > Which kind of indicates that the crash is because of the changes you
> > made.
> > I know it sucks to investigate failures that don't repro consistently,
> > but I do think some more testing would be good here. Of course, if there's
> > any info you need about the VM just let me know.
>
> Well, I commandeered a XP SP3 box this morning and ran that exact same
> set of tests successfully 10,000 times.  I don't have access to a Win7
> box or I would have run the tests on that.  Thoughts?

I'll do a similar test on Win7 tomorrow and let you know the results.

Greg.