Adding a new sub-plugin that gives visual feedback for navigation keys.
diff --git a/samples/BrowserPlugin/jni/PluginObject.h b/samples/BrowserPlugin/jni/PluginObject.h
index e8084ef..0ebed28 100644
--- a/samples/BrowserPlugin/jni/PluginObject.h
+++ b/samples/BrowserPlugin/jni/PluginObject.h
@@ -80,6 +80,7 @@
     kText_PluginType       = 5,
     kPaint_PluginType      = 6,
     kVideo_PluginType      = 7,
+    kNavigation_PluginType = 8,
 };
 typedef uint32_t PluginType;