Bind plugin placeholder directly to v8 instead of over CppBoundClass

components/plugins/renderer/mobile_youtube_plugin.cc

Index: components/plugins/renderer/mobile_youtube_plugin.cc
diff --git a/components/plugins/renderer/mobile_youtube_plugin.cc b/components/plugins/renderer/mobile_youtube_plugin.cc
index e2f5793e790e4dc55fcd2331828186d90964178a..df13319c46217e3f383049d7c6a4a8fc363d0ac4 100644
--- a/components/plugins/renderer/mobile_youtube_plugin.cc
+++ b/components/plugins/renderer/mobile_youtube_plugin.cc
@@ -92,22 +92,26 @@ bool MobileYouTubePlugin::IsYouTubeURL(const GURL& url,
          LowerCaseEqualsASCII(mime_type, content::kFlashPluginSwfMimeType);
 }
 
+// static
 void MobileYouTubePlugin::OpenYoutubeUrlCallback(
-    const webkit_glue::CppArgumentList& args,
-    webkit_glue::CppVariant* result) {
+    const v8::FunctionCallbackInfo<v8::Value>& args) {
+  MobileYouTubePlugin* plugin = reinterpret_cast<MobileYouTubePlugin*>(
+      v8::External::Cast(*args.Data())->Value());
   std::string youtube("vnd.youtube:");
-  GURL url(youtube.append(GetYoutubeVideoId(GetPluginParams())));
+  GURL url(youtube.append(GetYoutubeVideoId(plugin->GetPluginParams())));
   WebURLRequest request;
   request.initialize();
   request.setURL(url);
-  render_view()->LoadURLExternally(
-      GetFrame(), request, blink::WebNavigationPolicyNewForegroundTab);
+  plugin->render_view()->LoadURLExternally(
+      plugin->GetFrame(), request, blink::WebNavigationPolicyNewForegroundTab);
 }
-void MobileYouTubePlugin::BindWebFrame(WebFrame* frame) {
-  PluginPlaceholder::BindWebFrame(frame);
-  BindCallback("openYoutubeURL",
-               base::Bind(&MobileYouTubePlugin::OpenYoutubeUrlCallback,
-                          base::Unretained(this)));
+
+void MobileYouTubePlugin::InstallAdditionalCallbacks(
+    v8::Handle<v8::Template> prototype) {
+  prototype->Set(
+      v8::String::New("openYoutubeURL"),
+      v8::FunctionTemplate::New(&MobileYouTubePlugin::OpenYoutubeUrlCallback,
+                                v8::External::New(this))->GetFunction());
 }
 
 }  // namespace plugins