Clean up plug-in placeholders:

chrome/renderer/blocked_plugin.h

-// Copyright (c) 2011 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.
-
-#ifndef CHROME_RENDERER_BLOCKED_PLUGIN_H_
-#define CHROME_RENDERER_BLOCKED_PLUGIN_H_
-#pragma once
-
-#include "content/public/renderer/render_view_observer.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginParams.h"
-#include "webkit/glue/cpp_bound_class.h"
-#include "webkit/plugins/npapi/webview_plugin.h"
-#include "webkit/plugins/webplugininfo.h"
-
-class BlockedPlugin : public content::RenderViewObserver,
-                      public CppBoundClass,
-                      public webkit::npapi::WebViewPlugin::Delegate {
- public:
-  BlockedPlugin(content::RenderView* render_view,
-                WebKit::WebFrame* frame,
-                const webkit::WebPluginInfo& info,
-                const WebKit::WebPluginParams& params,
-                const WebPreferences& settings,
-                int template_id,
-                const string16& name,
-                const string16& message,
-                bool is_blocked_for_prerendering,
-                bool allow_loading);
-
-  webkit::npapi::WebViewPlugin* plugin() { return plugin_; }
-
-  // WebViewPlugin::Delegate methods:
-  virtual void BindWebFrame(WebKit::WebFrame* frame) OVERRIDE;
-  virtual void WillDestroyPlugin() OVERRIDE;
-  virtual void ShowContextMenu(const WebKit::WebMouseEvent&) OVERRIDE;
-
- private:
-  virtual ~BlockedPlugin();
-
-  // RenderViewObserver methods:
-  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
-  virtual void ContextMenuAction(unsigned id) OVERRIDE;
-
-  void OnLoadBlockedPlugins();
-  void OnSetIsPrerendering(bool is_prerendering);
-
-  // Javascript callbacks:
-  // Load the blocked plugin by calling LoadPlugin().
-  // Takes no arguments, and returns nothing.
-  void LoadCallback(const CppArgumentList& args, CppVariant* result);
-
-  // Hide the blocked plugin by calling HidePlugin().
-  // Takes no arguments, and returns nothing.
-  void HideCallback(const CppArgumentList& args, CppVariant* result);
-
-  // Opens a URL in a new tab.
-  // Takes one argument, a string specifying the URL to open. Returns nothing.
-  void OpenUrlCallback(const CppArgumentList& args, CppVariant* result);
-
-  // Load the blocked plugin.
-  void LoadPlugin();
-
-  // Hide the blocked plugin.
-  void HidePlugin();
-
-  WebKit::WebFrame* frame_;
-  webkit::WebPluginInfo plugin_info_;
-  WebKit::WebPluginParams plugin_params_;
-  webkit::npapi::WebViewPlugin* plugin_;
-  // The name of the plugin that was blocked.
-  string16 name_;
-  // True iff the plugin was blocked because the page was being prerendered.
-  // Plugin will automatically be loaded when the page is displayed.
-  bool is_blocked_for_prerendering_;
-  bool hidden_;
-  bool allow_loading_;
-};
-
-#endif  // CHROME_RENDERER_BLOCKED_PLUGIN_H_