Add a 'NACL' plugin type to PepperMessageFilter so we can block private APIs.

content/browser/renderer_host/pepper/pepper_message_filter.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_MESSAGE_FILTER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 43 matching lines @@
 
 // This class is used in two contexts, both supporting PPAPI plugins. The first
 // is on the renderer->browser channel, to handle requests from in-process
 // PPAPI plugins and any requests that the PPAPI implementation code in the
 // renderer needs to make. The second is on the plugin->browser channel to
 // handle requests that out-of-process plugins send directly to the browser.
 class PepperMessageFilter
     : public BrowserMessageFilter,
       public net::NetworkChangeNotifier::IPAddressObserver {
  public:
-  enum ProcessType { PLUGIN, RENDERER };
+  enum ProcessType { PLUGIN, RENDERER, NACL };
 
   // Constructor when used in the context of a render process (the argument is
   // provided for sanity checking).
   PepperMessageFilter(ProcessType type,
                       int process_id,
                       BrowserContext* browser_context);
 
   // Constructor when used in the context of a PPAPI process (the argument is
   // provided for sanity checking).
   PepperMessageFilter(ProcessType type,
@@ skipping 191 matching lines @@
 
   FilePath browser_path_;
   bool incognito_;
 
   DISALLOW_COPY_AND_ASSIGN(PepperMessageFilter);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_MESSAGE_FILTER_H_