mac: Use NSWidth() and friends in a few more places.

webkit/tools/test_shell/webwidget_host_mac.mm

Index: webkit/tools/test_shell/webwidget_host_mac.mm
diff --git a/webkit/tools/test_shell/webwidget_host_mac.mm b/webkit/tools/test_shell/webwidget_host_mac.mm
index fc424443553d6d5156efb1fc5fe38d3964da1589..60a10f531531ea12813c2dd0e669907ca0143b1d 100644
--- a/webkit/tools/test_shell/webwidget_host_mac.mm
+++ b/webkit/tools/test_shell/webwidget_host_mac.mm
@@ -44,8 +44,8 @@ WebWidgetHost* WebWidgetHost::Create(NSView* parent_view,
   // ui::SetWindowUserData(host->hwnd_, host);
 
   host->webwidget_ = WebPopupMenu::create(client);
-  host->webwidget_->resize(WebSize(content_rect.size.width,
-                                   content_rect.size.height));
+  host->webwidget_->resize(WebSize(NSWidth(content_rect),
+                                   NSHeight(content_rect)));
   return host;
 }