Allow temporary file system for incognito DevTools.

storage/browser/fileapi/file_system_context.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 "storage/browser/fileapi/file_system_context.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 465 matching lines @@
   return CrackFileSystemURL(FileSystemURL(url));
 }
 
 FileSystemURL FileSystemContext::CreateCrackedFileSystemURL(
     const GURL& origin,
     FileSystemType type,
     const base::FilePath& path) const {
   return CrackFileSystemURL(FileSystemURL(origin, type, path));
 }
 
-#if defined(OS_CHROMEOS)
 void FileSystemContext::EnableTemporaryFileSystemInIncognito() {
   sandbox_backend_->set_enable_temporary_file_system_in_incognito(true);
 }
-#endif
 
 bool FileSystemContext::CanServeURLRequest(const FileSystemURL& url) const {
   // We never support accessing files in isolated filesystems via an URL.
   if (url.mount_type() == kFileSystemTypeIsolated)
     return false;
 #if defined(OS_CHROMEOS)
   if (url.type() == kFileSystemTypeTemporary &&
       sandbox_backend_->enable_temporary_file_system_in_incognito()) {
     return true;
   }
@@ skipping 133 matching lines @@
 
   // TODO(mtomasz): Not all fields should be required for ResolveURL.
   operation_runner()->GetMetadata(
       url, FileSystemOperation::GET_METADATA_FIELD_IS_DIRECTORY |
                FileSystemOperation::GET_METADATA_FIELD_SIZE |
                FileSystemOperation::GET_METADATA_FIELD_LAST_MODIFIED,
       base::Bind(&DidGetMetadataForResolveURL, path, callback, info));
 }
 
 }  // namespace storage