Pepper: Make StartSelLdr asynchronous.

ppapi/native_client/src/trusted/plugin/plugin.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.
 
 // 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 281 matching lines @@
 
   // Load a nacl module from the file specified in wrapper.
   // Only to be used from a background (non-main) thread.
   // This will fully initialize the |subprocess| if the load was successful.
   bool LoadNaClModuleFromBackgroundThread(nacl::DescWrapper* wrapper,
                                           NaClSubprocess* subprocess,
                                           const Manifest* manifest,
                                           const SelLdrStartParams& params);
 
   // Start sel_ldr from the main thread, given the start params.
-  // Sets |success| to true on success.
   // |pp_error| is set by CallOnMainThread (should be PP_OK).
   void StartSelLdrOnMainThread(int32_t pp_error,
                                ServiceRuntime* service_runtime,
                                const SelLdrStartParams& params,
-                               bool* success);
+                               pp::CompletionCallback callback);
+
+  // Signals that StartSelLdr has finished.
+  void SignalStartSelLdrDone(int32_t pp_error,
+                             bool* started,
+                             ServiceRuntime* service_runtime);
+
+  void LoadNexeAndStart(int32_t pp_error,
+                        nacl::DescWrapper* wrapper,
+                        ServiceRuntime* service_runtime,
+                        const pp::CompletionCallback& crash_cb);
 
   // 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
@@ skipping 153 matching lines @@
   int64_t time_of_last_progress_event_;
   int exit_status_;
 
   const PPB_NaCl_Private* nacl_interface_;
   pp::UMAPrivate uma_interface_;
 };
 
 }  // namespace plugin
 
 #endif  // NATIVE_CLIENT_SRC_TRUSTED_PLUGIN_PLUGIN_H_