NaCl: Send fatal log messages via shared memory.

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 258 matching lines @@
 
   /* Report an error that occured while attempting to load a nexe. */
   void ReportLoadError([in] PP_Instance instance,
                        [in] PP_NaClError error,
                        [in] str_t error_message);
 
   /* Reports that loading a nexe was aborted. */
   void ReportLoadAbort([in] PP_Instance instance);
 
   /* Reports that the nexe has crashed. */
-  void NexeDidCrash([in] PP_Instance instance,
-                    [in] str_t crash_log);
+  void NexeDidCrash([in] PP_Instance instance);
 
   /* Performs internal setup when an instance is created. */
   void InstanceCreated([in] PP_Instance instance);
 
   /* Performs internal cleanup when an instance is destroyed. */
   void InstanceDestroyed([in] PP_Instance instance);
 
   /* Return true if the NaCl debug stub is enabled and the app loaded from
    * alleged_nmf_url will be attached to a debugger.
    */
@@ skipping 114 matching lines @@
    * 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);
 };