Move chrome.fileSystem implementation to //extensions

chrome/browser/extensions/api/file_system/chrome_file_system_delegate.h

+// Copyright 2017 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.
+
+#ifndef CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_CHROME_FILE_SYSTEM_DELEGATE_H_
+#define CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_CHROME_FILE_SYSTEM_DELEGATE_H_
+
+#include "extensions/browser/api/file_system/file_system_delegate.h"
+
+#include <memory>
+
+#include "base/macros.h"
+#include "build/build_config.h"
+
+namespace extensions {
+
+#if defined(OS_CHROMEOS)
+namespace file_system_api {
+
+// Dispatches an event about a mounted or unmounted volume in the system to
+// each extension which can request it.
+void DispatchVolumeListChangeEvent(content::BrowserContext* browser_context);
+
+}  // namespace file_system_api
+#endif  // defined(OS_CHROMEOS)
+
+class ChromeFileSystemDelegate : public FileSystemDelegate {
+ public:
+  ChromeFileSystemDelegate();
+  ~ChromeFileSystemDelegate() override;
+
+  // FileSystemDelegate:
+  base::FilePath GetDefaultDirectory() override;
+  bool ShowSelectFileDialog(
+      scoped_refptr<UIThreadExtensionFunction> extension_function,
+      ui::SelectFileDialog::Type type,
+      const base::FilePath& default_path,
+      const ui::SelectFileDialog::FileTypeInfo* file_types,
+      FileSystemDelegate::FilesSelectedCallback files_selected_callback,
+      base::OnceClosure file_selection_canceled_callback) override;
+  void ConfirmSensitiveDirectoryAccess(bool has_write_permission,
+                                       const base::string16& app_name,
+                                       content::WebContents* web_contents,
+                                       const base::Closure& on_accept,
+                                       const base::Closure& on_cancel) override;
+  int GetDescriptionIdForAcceptType(const std::string& accept_type) override;
+#if defined(OS_CHROMEOS)
+  bool IsGrantable(content::BrowserContext* browser_context,
+                   content::RenderFrameHost* render_frame_host,
+                   const Extension& extension) override;
+  void RequestFileSystem(content::BrowserContext* browser_context,
+                         scoped_refptr<UIThreadExtensionFunction> requester,
+                         const Extension& extension,
+                         std::string volume_id,
+                         bool writable,
+                         const FileSystemCallback& success_callback,
+                         const ErrorCallback& error_callback) override;
+  void GetVolumeList(content::BrowserContext* browser_context,
+                     const VolumeListCallback& success_callback,
+                     const ErrorCallback& error_callback) override;
+#endif  // defined(OS_CHROMEOS)
+  SavedFilesServiceInterface* GetSavedFilesService(
+      content::BrowserContext* browser_context) override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ChromeFileSystemDelegate);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_CHROME_FILE_SYSTEM_DELEGATE_H_