Bind plugin placeholder directly to v8 instead of over CppBoundClass

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 80a4f99ca9b8d896a8c01f994fe22b8466eee665..5af508371f8a5a13cf278085070a43ffd8ba7c94 100644
--- a/components/plugins/renderer/mobile_youtube_plugin.h
+++ b/components/plugins/renderer/mobile_youtube_plugin.h
@@ -27,11 +27,12 @@ class MobileYouTubePlugin : public PluginPlaceholder {
 
  private:
   // Opens a youtube app in the current tab.
-  void OpenYoutubeUrlCallback(const webkit_glue::CppArgumentList& args,
-                              webkit_glue::CppVariant* result);
+  static void OpenYoutubeUrlCallback(
+      const v8::FunctionCallbackInfo<v8::Value>& args);
 
-  // WebViewPlugin::Delegate (via PluginPlaceholder) method
-  virtual void BindWebFrame(blink::WebFrame* frame) OVERRIDE;
+  // PluginPlaceholder method
+  virtual void InstallAdditionalCallbacks(
+      v8::Handle<v8::Template> prototype) OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(MobileYouTubePlugin);
 };