Pepper: Make StartSelLdr asynchronous.

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 36 matching lines @@
    * The |uses_irt| flag indicates whether the IRT should be loaded in this
    * NaCl process.  This is true for ABI stable nexes.
    * The |enable_dyncode_syscalls| flag indicates whether or not the nexe
    * will be able to use dynamic code system calls (e.g., mmap with PROT_EXEC).
    * The |enable_exception_handling| flag indicates whether or not the nexe
    * will be able to use hardware exception handling.
    * The |enable_crash_throttling| flag indicates whether or not crashes of
    * the nexe contribute to crash throttling statisics and whether nexe starts
    * are throttled by crash throttling.
    */
-  PP_ExternalPluginResult LaunchSelLdr([in] PP_Instance instance,
-                                       [in] str_t alleged_url,
-                                       [in] PP_Bool uses_irt,
-                                       [in] PP_Bool uses_ppapi,
-                                       [in] PP_Bool enable_ppapi_dev,
-                                       [in] PP_Bool enable_dyncode_syscalls,
-                                       [in] PP_Bool enable_exception_handling,
-                                       [in] PP_Bool enable_crash_throttling,
-                                       [out] mem_t imc_handle,
-                                       [out] PP_Var error_message);
+  void LaunchSelLdr([in] PP_Instance instance,
+                    [in] str_t alleged_url,
+                    [in] PP_Bool uses_irt,
+                    [in] PP_Bool uses_ppapi,
+                    [in] PP_Bool enable_ppapi_dev,
+                    [in] PP_Bool enable_dyncode_syscalls,
+                    [in] PP_Bool enable_exception_handling,
+                    [in] PP_Bool enable_crash_throttling,
+                    [out] mem_t imc_handle,
+                    [out] PP_Var error_message,
+                    [in] PP_CompletionCallback callback);
 
   /* This function starts the IPC proxy so the nexe can communicate with the
    * browser. Returns PP_EXTERNAL_PLUGIN_OK on success, otherwise a result code
    * indicating the failure. PP_EXTERNAL_PLUGIN_FAILED is returned if
    * LaunchSelLdr wasn't called with the instance.
    * PP_EXTERNAL_PLUGIN_ERROR_MODULE is returned if the module can't be
    * initialized. PP_EXTERNAL_PLUGIN_ERROR_INSTANCE is returned if the instance
    * can't be initialized.
    */
   PP_ExternalPluginResult StartPpapiProxy(PP_Instance instance);
@@ skipping 93 matching lines @@
                      [in] uint64_t loaded_bytes,
                      [in] uint64_t total_bytes);
 
   /* Sets a read-only property on the <embed> DOM element that corresponds to
    * the given instance.
    */
   void SetReadOnlyProperty([in] PP_Instance instance,
                            [in] PP_Var key,
                            [in] PP_Var value);
 };