Simplify HTMLPlugInElement::PluginWrapper to not use SharedPersistent.

third_party/WebKit/Source/bindings/core/v8/ScriptController.cpp

 /*
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Opera Software ASA. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
@@ skipping 164 matching lines @@
   v8::Local<v8::Context> v8_context =
       window_proxy_manager_->MainWorldProxyMaybeUninitialized()
           ->ContextIfInitialized();
   if (v8_context.IsEmpty())
     return;
   v8_context->AllowCodeGenerationFromStrings(false);
   v8_context->SetErrorMessageForCodeGenerationFromStrings(
       V8String(GetIsolate(), error_message));
 }
 
-PassRefPtr<SharedPersistent<v8::Object>> ScriptController::CreatePluginWrapper(
-    PluginView& plugin) {
-  v8::HandleScope handle_scope(GetIsolate());
-  v8::Local<v8::Object> scriptable_object =
-      plugin.ScriptableObject(GetIsolate());
-
-  if (scriptable_object.IsEmpty())
-    return nullptr;
-
-  return SharedPersistent<v8::Object>::Create(scriptable_object, GetIsolate());
-}
-
 V8Extensions& ScriptController::RegisteredExtensions() {
   DEFINE_STATIC_LOCAL(V8Extensions, extensions, ());
   return extensions;
 }
 
 void ScriptController::RegisterExtensionIfNeeded(v8::Extension* extension) {
   const V8Extensions& extensions = RegisteredExtensions();
   for (size_t i = 0; i < extensions.size(); ++i) {
     if (extensions[i] == extension)
       return;
@@ skipping 158 matching lines @@
     for (size_t i = 0; i < result_array->Length(); ++i) {
       v8::Local<v8::Value> value;
       if (!result_array->Get(context, i).ToLocal(&value))
         return;
       results->push_back(value);
     }
   }
 }
 
 }  // namespace blink