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..c342a6c02df741bec0eec9fae7e30d1d9799d1d6 100644
--- a/components/plugins/renderer/mobile_youtube_plugin.h
+++ b/components/plugins/renderer/mobile_youtube_plugin.h
@@ -6,6 +6,7 @@
 #define COMPONENTS_PLUGINS_RENDERER_MOBILE_YOUTUBE_PLUGIN_H_
 
 #include "components/plugins/renderer/plugin_placeholder.h"
+#include "gin/wrappable.h"
 
 namespace plugins {
 
@@ -26,9 +27,12 @@ class MobileYouTubePlugin : public PluginPlaceholder {
   static bool IsYouTubeURL(const GURL& url, const std::string& mime_type);
 
  private:
+  virtual gin::ObjectTemplateBuilder GetObjectTemplateBuilder(v8::Isolate* isolate) OVERRIDE;
+
+  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;