NaCl: Remove now-unneeded SRPC reverse service code

ppapi/api/private/ppb_nacl_private.idl

 /* 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.
  */
 
 /* This file contains NaCl private interfaces. This interface is not versioned
  * and is for internal Chrome use. It may change without notice. */
 
 label Chrome {
   M25 = 1.0
@@ skipping 305 matching lines @@
   void ReportSelLdrStatus([in] PP_Instance instance,
                           [in] int32_t load_status,
                           [in] int32_t max_status);
 
   /* Logs time taken by an operation to UMA histograms.
    * This function is safe to call on any thread.
    */
   void LogTranslateTime([in] str_t histogram_name,
                         [in] int64_t time_us);
 
-  /* Opens a manifest entry for the given instance. If this is for a helper
-   * process, we consult our internal pnacl.json instead of the user-supplied
-   * NMF.
-   * Fails for files which require PNaCl translation.
-   */
-  void OpenManifestEntry([in] PP_Instance instance,
-                         [in] PP_Bool is_helper_process,
-                         [in] str_t key,
-                         [out] PP_NaClFileInfo file_info,
-                         [in] PP_CompletionCallback callback);
-
   /* Sets the start time for PNaCl downloading and translation to the current
    * time.
    */
   void SetPNaClStartTime([in] PP_Instance instance);
 
   /* Downloads and streams a pexe file for PNaCl translation.
    * Fetches the content at |pexe_url| for the given instance and opt_level.
    * If a translated cached nexe is already available, |cache_hit_handle|
    * is set and |cache_hit_callback| is called.
    * Otherwise, |stream_callback| is called repeatedly with blocks of data
    * as they are received. |stream_finished_callback| is called after all
    * data has been received and dispatched to |stream_callback|.
    */
   void StreamPexe([in] PP_Instance instance,
                   [in] str_t pexe_url,
                   [in] int32_t opt_level,
                   [in] PPP_PexeStreamHandler stream_handler,
                   [inout] mem_t stream_handler_user_data);
 };