Part of <rdar://problem/7312158>.

Reviewed by Dan Bernstein.

WebCore:

* plugins/PluginView.cpp:
(WebCore::PluginView::PluginView):
Initialize m_hasBeenHalted.

* plugins/PluginView.h:
(WebCore::PluginView::hasBeenHalted):
Return m_hasBeenHalted.

* plugins/win/PluginViewWin.cpp:
(WebCore::PluginView::halt):
Set m_hasBeenHalted.

WebKit/win:

* Interfaces/IWebViewPrivate.idl:
Add hasPluginForNodeBeenHalted().

* WebView.cpp:
(pluginViewForNode):
Code factored out of isNodeHaltedPlugin().
(WebView::isNodeHaltedPlugin):
Remove STDMETHODCALLTYPE, as it has no use at the definition. Use
pluginViewForNode().
(WebView::restartHaltedPluginForNode):
Ditto.
(WebView::hasPluginForNodeBeenHalted):
Get the PluginView for the given node. Return the result of
PluginView::hasBeenHalted().

* WebView.h:
Declare hasPluginForNodeBeenHalted().

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@49732 268f45cc-cd09-0410-ab3c-d52691b4dbfc