Trusted plugin: Remove EnumerateManifestKeys.

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

 /* -*- c++ -*- */
 /*
  * 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.
  */
 
 // A class containing information regarding a socket connection to a
 // service runtime instance.
 
@@ skipping 135 matching lines @@
                          pp::CompletionCallback crash_cb);
 
   virtual ~PluginReverseInterface();
 
   void ShutDown();
 
   virtual void DoPostMessage(nacl::string message);
 
   virtual void StartupInitializationComplete();
 
-  virtual bool EnumerateManifestKeys(std::set<nacl::string>* out_keys);
-
   virtual bool OpenManifestEntry(nacl::string url_key,
                                  struct NaClFileInfo *info);
 
   virtual bool CloseManifestEntry(int32_t desc);
 
   virtual void ReportCrash();
 
   virtual void ReportExitStatus(int exit_status);
 
   virtual int64_t RequestQuotaForWrite(nacl::string file_id,
@@ skipping 119 matching lines @@
   int exit_status_;
   bool start_sel_ldr_done_;
 
   PP_Var start_sel_ldr_error_message_;
   pp::CompletionCallbackFactory<ServiceRuntime> callback_factory_;
 };
 
 }  // namespace plugin
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_SERVICE_RUNTIME_H_