[NaCl SDK] Add HTTP mount.

native_client_sdk/src/libraries/nacl_mounts/mount_html5fs.cc

 /* 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.
  */
 
 #include "nacl_mounts/mount_html5fs.h"
 
 #include <errno.h>
 #include <ppapi/c/pp_completion_callback.h>
 #include <ppapi/c/pp_errors.h>
@@ skipping 51 matching lines @@
 int MountHtml5Fs::Unlink(const Path& path) {
   return Remove(path);
 }
 
 int MountHtml5Fs::Mkdir(const Path& path, int permissions) {
   if (!IsFilesystemOpen()) {
     errno = EINVAL;
     return -1;
   }
 
-  PP_Resource fileref_resource = ppapi()->GetFileRefInterface()->Create(
-      filesystem_resource_, path.Join().c_str());
-  if (!fileref_resource) {
+  ScopedResource fileref_resource(
+      ppapi(), ppapi()->GetFileRefInterface()->Create(filesystem_resource_,
+                                                      path.Join().c_str()));
+  if (!fileref_resource.pp_resource()) {
     errno = EINVAL;
     return -1;
   }
 
-  ScopedResource scoped_resource(ppapi_, fileref_resource,
-                                 ScopedResource::NoAddRef());
-
   int32_t result = ppapi()->GetFileRefInterface()->MakeDirectory(
-      fileref_resource, PP_FALSE, PP_BlockUntilComplete());
+      fileref_resource.pp_resource(), PP_FALSE, PP_BlockUntilComplete());
   if (result != PP_OK) {
     errno = PPErrorToErrno(result);
     return -1;
   }
 
   return 0;
 }
 
 int MountHtml5Fs::Rmdir(const Path& path) {
   return Remove(path);
 }
 
 int MountHtml5Fs::Remove(const Path& path) {
   if (!IsFilesystemOpen()) {
     errno = EINVAL;
     return -1;
   }
 
-  PP_Resource fileref_resource = ppapi()->GetFileRefInterface()->Create(
-      filesystem_resource_, path.Join().c_str());
-  if (!fileref_resource) {
+  ScopedResource fileref_resource(
+      ppapi(), ppapi()->GetFileRefInterface()->Create(filesystem_resource_,
+                                                      path.Join().c_str()));
+  if (!fileref_resource.pp_resource()) {
     errno = EINVAL;
     return -1;
   }
 
-  ScopedResource scoped_resource(ppapi_, fileref_resource,
-                                 ScopedResource::NoAddRef());
-
   int32_t result = ppapi()->GetFileRefInterface()->Delete(
-      fileref_resource,
+      fileref_resource.pp_resource(),
       PP_BlockUntilComplete());
   if (result != PP_OK) {
     errno = PPErrorToErrno(result);
     return -1;
   }
 
   return 0;
 }
 
 
@@ skipping 54 matching lines @@
 void MountHtml5Fs::FilesystemOpenCallbackThunk(void* user_data,
                                                int32_t result) {
   MountHtml5Fs* self = static_cast<MountHtml5Fs*>(user_data);
   self->FilesystemOpenCallback(result);
 }
 
 void MountHtml5Fs::FilesystemOpenCallback(int32_t result) {
   AutoLock lock(&lock_);
   filesystem_open_ = result == PP_OK;
 }