Packaged (CRX) extensions shouldn't be able to get 'dev' interfaces in NaCl.

ppapi/native_client/src/trusted/plugin/plugin.h

 // -*- c++ -*-
 // 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.
 
 // The portable representation of an instance and root scriptable object.
 // The PPAPI version of the plugin instantiates a subclass of this class.
 
 #ifndef NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_
 #define NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_
@@ skipping 356 matching lines @@
                             ErrorInfo* error_info,
                             pp::CompletionCallback init_done_cb,
                             pp::CompletionCallback crash_cb);
   bool StartSrpcServices(NaClSubprocess* subprocess, ErrorInfo* error_info);
   bool StartSrpcServicesCommon(NaClSubprocess* subprocess,
                                ErrorInfo* error_info);
   bool StartJSObjectProxy(NaClSubprocess* subprocess, ErrorInfo* error_info);
 
   MethodInfo* GetMethodInfo(uintptr_t method_id, CallType call_type);
 
-  // Check url and decide if PPAPI Dev interfaces are required.
-  bool RequiresDevInterfaces(const nacl::string& manifest_url);
-
   // Callback used when getting the URL for the .nexe file.  If the URL loading
   // is successful, the file descriptor is opened and can be passed to sel_ldr
   // with the sandbox on.
   void NexeFileDidOpen(int32_t pp_error);
   void NexeFileDidOpenContinuation(int32_t pp_error);
 
   // Callback used when the reverse channel closes.  This is an
   // asynchronous event that might turn into a JavaScript error or
   // crash event -- this is controlled by the two state variables
   // nacl_ready_state_ and nexe_error_reported_: If an error or crash
@@ skipping 162 matching lines @@
       int64_t total_bytes_to_be_sent,
       int64_t bytes_received,
       int64_t total_bytes_to_be_received);
 
   int64_t last_event_bytes_received_;
 };
 
 }  // namespace plugin
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_