Here's the *real* mistake that killed plugins. I accidentally
	stopped creating objects at all! Duh. Fixed now.

        * kwq/KWQKHTMLPartImpl.mm: (KWQKHTMLPartImpl::createPart):
	Make a part for a plugin if we need one. Not a KHTMLPart, but
	a KWQPluginPart.

WebKit:

	Added assertions, and dealt with some breakage I created while
	trying to fix, here, what I broke in WebCore.

        * Plugins.subproj/WebPluginView.m: (-[WebNetscapePluginView start]):
	Do get the dataSource from our parent when we are being used as an
	object in a view rather than a document view.

        * Plugins.subproj/WebPluginStream.m:
        * WebView.subproj/WebDataSource.m:
        * WebView.subproj/WebFrame.m:
	Leave in the assertions I used to debug.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@2064 268f45cc-cd09-0410-ab3c-d52691b4dbfc