Implement open_resource in non-SFI mode.

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 121 matching lines @@
      interaction with the page. */
   PP_NACL_READY_STATE_DONE = 4
 };
 
 struct PP_PNaClOptions {
   PP_Bool translate;
   PP_Bool is_debug;
   int32_t opt_level;
 };
 
+/* Callback invoked upon completion of PPP_ManifestService::OpenResource(). */
+typedef void PP_OpenResourceCompletionCallback([inout] mem_t user_data,
+                                               [in] PP_FileHandle file_handle);
+
 /* ManifestService to support irt_open_resource() function.
  * All functions of the service should have PP_Bool return value. It represents
  * whether the service is still alive or not. Trivially Quit() should always
  * return false. However, other functions also can return false.
  * Once false is called, as the service has been destructed, all functions
  * should never be called afterwords.
  */
-interface PP_ManifestService {
+interface PPP_ManifestService {
   /* Called when ManifestService should be destructed. */
   PP_Bool Quit([inout] mem_t user_data);
 
   /* Called when PPAPI initialization in the NaCl plugin is finished. */
   PP_Bool StartupInitializationComplete([inout] mem_t user_data);
+
+  /* Called when irt_open_resource() is invoked in the NaCl plugin.
+   * Upon completion, callback will be invoked with given callback_user_data
+   * and the result file handle (or PP_kInvalidFileHandle on error). */
+  PP_Bool OpenResource([inout] mem_t user_data,
+                       [in] str_t entry_key,
+                       [in] PP_OpenResourceCompletionCallback callback,
+                       [inout] mem_t callback_user_data);
 };
 
 /* PPB_NaCl_Private */
 interface PPB_NaCl_Private {
   /* Launches NaCl's sel_ldr process.  Returns PP_EXTERNAL_PLUGIN_OK on success
    * and writes a NaClHandle to imc_handle. Returns PP_EXTERNAL_PLUGIN_FAILED on
    * failure. The |enable_ppapi_dev| parameter controls whether GetInterface
    * returns 'Dev' interfaces to the NaCl plugin.  The |uses_ppapi| flag
    * indicates that the nexe run by sel_ldr will use the PPAPI APIs.
    * This implies that LaunchSelLdr is run from the main thread.  If a nexe
@@ skipping 12 matching lines @@
    */
   void LaunchSelLdr([in] PP_Instance instance,
                     [in] str_t alleged_url,
                     [in] PP_Bool uses_irt,
                     [in] PP_Bool uses_ppapi,
                     [in] PP_Bool uses_nonsfi_mode,
                     [in] PP_Bool enable_ppapi_dev,
                     [in] PP_Bool enable_dyncode_syscalls,
                     [in] PP_Bool enable_exception_handling,
                     [in] PP_Bool enable_crash_throttling,
-                    [in] PP_ManifestService manifest_service_interface,
+                    [in] PPP_ManifestService manifest_service_interface,
                     [inout] mem_t manifest_service_user_data,
                     [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.
    */
   PP_Bool StartPpapiProxy(PP_Instance instance);
 
@@ skipping 187 matching lines @@
   void ProcessNaClManifest([in] PP_Instance instance,
                            [in] str_t program_url);
 
   /* Returns the manifest url as passed as a plugin argument. */
   PP_Var GetManifestURLArgument([in] PP_Instance instance);
 
   PP_Bool IsPNaCl([in] PP_Instance instance);
 
   PP_Bool DevInterfacesEnabled([in] PP_Instance instance);
 };