Bind plugin placeholder directly to v8 instead of over CppBoundClass

components/plugins/renderer/mobile_youtube_plugin.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/plugins/renderer/mobile_youtube_plugin.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/string_util.h"
@@ skipping 74 matching lines @@
 bool MobileYouTubePlugin::IsYouTubeURL(const GURL& url,
                                        const std::string& mime_type) {
   std::string host = url.host();
   bool is_youtube = EndsWith(host, "youtube.com", true) ||
                     EndsWith(host, "youtube-nocookie.com", true);
 
   return is_youtube && IsValidYouTubeVideo(url.path()) &&
          LowerCaseEqualsASCII(mime_type, content::kFlashPluginSwfMimeType);
 }
 
+// static
 void MobileYouTubePlugin::OpenYoutubeUrlCallback(
-    const webkit_glue::CppArgumentList& args,
-    webkit_glue::CppVariant* result) {
+    const v8::FunctionCallbackInfo<v8::Value>& args) {

[Bernhard Bauer, 2013/11/12 16:37:20]

Move to anonymous namespace

+  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::InstallAdditionalCallbacsk(
+    v8::Handle<v8::Template> prototype) {
+  prototype->Set(
+      v8::String::New("openYoutubeURL"),
+      v8::FunctionTemplate::New(&PluginPlaceholder::OpenYoutubeUrlCallback,
+                                v8::External::New(this))->GetFunction());
 }
 
 }  // namespace plugins