Grant Files.app access for mount points added after its launch.

chrome/browser/chromeos/fileapi/file_system_backend.cc

 // Copyright 2013 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 "chrome/browser/chromeos/fileapi/file_system_backend.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
@@ skipping 129 matching lines @@
 
   return file_access_permissions_->HasAccessPermission(extension_id,
                                                        url.virtual_path());
 }
 
 void FileSystemBackend::GrantFullAccessToExtension(
     const std::string& extension_id) {
   DCHECK(special_storage_policy_->IsFileHandler(extension_id));
   if (!special_storage_policy_->IsFileHandler(extension_id))
     return;
-
-  std::vector<fileapi::MountPoints::MountPointInfo> files;
-  mount_points_->AddMountPointInfosTo(&files);
-  system_mount_points_->AddMountPointInfosTo(&files);
-
-  for (size_t i = 0; i < files.size(); ++i) {
-    file_access_permissions_->GrantAccessPermission(
-        extension_id,
-        base::FilePath::FromUTF8Unsafe(files[i].name));
-  }
+  file_access_permissions_->GrantFullAccessPermission(extension_id);
 }
 
 void FileSystemBackend::GrantFileAccessToExtension(
     const std::string& extension_id, const base::FilePath& virtual_path) {
   // All we care about here is access from extensions for now.
   DCHECK(special_storage_policy_->IsFileHandler(extension_id));
   if (!special_storage_policy_->IsFileHandler(extension_id))
     return;
 
   std::string id;
@@ skipping 112 matching lines @@
 }
 
 bool FileSystemBackend::GetVirtualPath(
     const base::FilePath& filesystem_path,
     base::FilePath* virtual_path) {
   return mount_points_->GetVirtualPath(filesystem_path, virtual_path) ||
          system_mount_points_->GetVirtualPath(filesystem_path, virtual_path);
 }
 
 }  // namespace chromeos