Move the plugin placeholder from CppBoundClass to gin::Wrappable

components/plugins/renderer/mobile_youtube_plugin.h

Index: components/plugins/renderer/mobile_youtube_plugin.h
diff --git a/components/plugins/renderer/mobile_youtube_plugin.h b/components/plugins/renderer/mobile_youtube_plugin.h
index 2fad63a032aee01041b33579f158ffc45502cc60..a7654da7ed998922e279818eeadaeffcf27fced4 100644
--- a/components/plugins/renderer/mobile_youtube_plugin.h
+++ b/components/plugins/renderer/mobile_youtube_plugin.h
@@ -26,13 +26,18 @@ class MobileYouTubePlugin : public PluginPlaceholder {
   static bool IsYouTubeURL(const GURL& url, const std::string& mime_type);
 
  private:
+  virtual ~MobileYouTubePlugin();
+
   // Opens a youtube app in the current tab.
-  void OpenYoutubeUrlCallback(const webkit_glue::CppArgumentList& args,
-                              webkit_glue::CppVariant* result);
+  void OpenYoutubeUrlCallback();
 
   // WebViewPlugin::Delegate (via PluginPlaceholder) method
   virtual void BindWebFrame(blink::WebFrame* frame) OVERRIDE;
 
+  // gin::Wrappable (via PluginPlaceholder) method
+  virtual gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
+      v8::Isolate* isolate) OVERRIDE;
+
   DISALLOW_COPY_AND_ASSIGN(MobileYouTubePlugin);
 };