PPAPI: Force async callback invocation option.

ppapi/cpp/file_ref.cc

 // Copyright (c) 2011 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.
 
 #include "ppapi/cpp/file_ref.h"
 
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/cpp/file_system.h"
 #include "ppapi/cpp/module_impl.h"
@@ skipping 51 matching lines @@
 FileRef FileRef::GetParent() const {
   if (!has_interface<PPB_FileRef>())
     return FileRef();
   return FileRef(PassRef(),
                      get_interface<PPB_FileRef>()->GetParent(
                          pp_resource()));
 }
 
 int32_t FileRef::MakeDirectory(const CompletionCallback& cc) {
   if (!has_interface<PPB_FileRef>())
-    return PP_ERROR_NOINTERFACE;
+    return cc.MayForce(PP_ERROR_NOINTERFACE);
   return get_interface<PPB_FileRef>()->MakeDirectory(
       pp_resource(),
       PP_FALSE,  // make_ancestors
       cc.pp_completion_callback());
 }
 
 int32_t FileRef::MakeDirectoryIncludingAncestors(
     const CompletionCallback& cc) {
   if (!has_interface<PPB_FileRef>())
-    return PP_ERROR_NOINTERFACE;
+    return cc.MayForce(PP_ERROR_NOINTERFACE);
   return get_interface<PPB_FileRef>()->MakeDirectory(
       pp_resource(),
       PP_TRUE,  // make_ancestors
       cc.pp_completion_callback());
 }
 
 int32_t FileRef::Touch(PP_Time last_access_time,
                        PP_Time last_modified_time,
                        const CompletionCallback& cc) {
   if (!has_interface<PPB_FileRef>())
-    return PP_ERROR_NOINTERFACE;
+    return cc.MayForce(PP_ERROR_NOINTERFACE);
   return get_interface<PPB_FileRef>()->Touch(
       pp_resource(), last_access_time, last_modified_time,
       cc.pp_completion_callback());
 }
 
 int32_t FileRef::Delete(const CompletionCallback& cc) {
   if (!has_interface<PPB_FileRef>())
-    return PP_ERROR_NOINTERFACE;
+    return cc.MayForce(PP_ERROR_NOINTERFACE);
   return get_interface<PPB_FileRef>()->Delete(
       pp_resource(), cc.pp_completion_callback());
 }
 
 int32_t FileRef::Rename(const FileRef& new_file_ref,
                         const CompletionCallback& cc) {
   if (!has_interface<PPB_FileRef>())
-    return PP_ERROR_NOINTERFACE;
+    return cc.MayForce(PP_ERROR_NOINTERFACE);
   return get_interface<PPB_FileRef>()->Rename(
       pp_resource(), new_file_ref.pp_resource(), cc.pp_completion_callback());
 }
 
 }  // namespace pp