mshtml: Return S_OK in IHTMLPluginsCollection::refresh.

dlls/mshtml/omnavigator.c

@@ -459,8 +459,11 @@ static HRESULT WINAPI HTMLPluginsCollection_get_length(IHTMLPluginsCollection *i
 static HRESULT WINAPI HTMLPluginsCollection_refresh(IHTMLPluginsCollection *iface, VARIANT_BOOL reload)
 {
     HTMLPluginsCollection *This = impl_from_IHTMLPluginsCollection(iface);
-    FIXME("(%p)->(%x)\n", This, reload);
-    return E_NOTIMPL;
+
+    TRACE("(%p)->(%x)\n", This, reload);
+
+    /* Nothing to do here. */
+    return S_OK;
 }
 
 static const IHTMLPluginsCollectionVtbl HTMLPluginsCollectionVtbl = {

dlls/mshtml/tests/dom.c

@@ -5295,6 +5295,12 @@ static void test_plugins_col(IHTMLDocument2 *doc)
     ok(hres == S_OK, "get_length failed: %08x\n", hres);
     ok(!len, "length = %d\n", len);
 
+    hres = IHTMLPluginsCollection_refresh(col, VARIANT_FALSE);
+    ok(hres == S_OK, "refresh failed: %08x\n", hres);
+
+    hres = IHTMLPluginsCollection_refresh(col, VARIANT_TRUE);
+    ok(hres == S_OK, "refresh failed: %08x\n", hres);
+
     ref = IHTMLPluginsCollection_Release(col);
     ok(!ref, "ref=%d\n", ref);