Clean up plug-in placeholders:

chrome/renderer/chrome_content_renderer_client.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_CHROME_CONTENT_RENDERER_CLIENT_H_
 #define CHROME_RENDERER_CHROME_CONTENT_RENDERER_CLIENT_H_
 #pragma once
 
 #include <string>
 
@@ skipping 98 matching lines @@
 
   virtual void RegisterPPAPIInterfaceFactories(
       webkit::ppapi::PpapiInterfaceFactoryManager* factory_manager) OVERRIDE;
 
  private:
   WebKit::WebPlugin* CreatePlugin(
       content::RenderView* render_view,
       WebKit::WebFrame* frame,
       const WebKit::WebPluginParams& params);
 
-  WebKit::WebPlugin* CreatePluginPlaceholder(
-      content::RenderView* render_view,
-      WebKit::WebFrame* frame,
-      const webkit::WebPluginInfo& plugin,
-      const WebKit::WebPluginParams& params,
-      const webkit::npapi::PluginGroup* group,
-      int resource_id,
-      int message_id,
-      bool is_blocked_for_prerendering,
-      bool allow_loading);
-
   // Returns the extension for the given URL.  Excludes extension objects for
   // bookmark apps, which do not use the app process model.
   const Extension* GetNonBookmarkAppExtension(const ExtensionSet* extensions,
                                               const GURL& url);
 
   // Returns true if the frame is navigating to an URL either into or out of an
   // extension app's extent.
   bool CrossesExtensionExtents(WebKit::WebFrame* frame,
                                const GURL& new_url,
                                bool is_initial_navigation);
@@ skipping 16 matching lines @@
   // The SpellCheckProvider is a RenderViewObserver, and handles its own
   // destruction.
   SpellCheckProvider* spellcheck_provider_;
   scoped_ptr<VisitedLinkSlave> visited_link_slave_;
   scoped_ptr<safe_browsing::PhishingClassifierFilter> phishing_classifier_;
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_RENDERER_CHROME_CONTENT_RENDERER_CLIENT_H_