Move chrome.fileSystem implementation to //extensions

extensions/browser/api/file_system/file_system_delegate.cc

+// 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.
+
+#include "extensions/browser/api/file_system/file_system_delegate.h"
+
+#include "base/callback.h"
+#include "base/files/file_path.h"
+#include "base/logging.h"
+#include "ui/shell_dialogs/select_file_policy.h"
+
+namespace extensions {
+
+#if defined(OS_CHROMEOS)
+namespace {
+const char kNotSupportedOnCurrentPlatformError[] =
+    "Operation not supported on the current platform.";
+}  // namespace
+#endif
+
+FileSystemDelegate::FileSystemDelegate() {}
+
+FileSystemDelegate::~FileSystemDelegate() {}
+
+base::FilePath FileSystemDelegate::GetDefaultDirectory() {
+  NOTIMPLEMENTED();

[benwells, 2017/06/14 03:46:37]

Can you just leave this as a pure interface?

[michaelpg, 2017/06/14 04:51:41]

Done.

+  return base::FilePath();
+}
+
+std::unique_ptr<ui::SelectFilePolicy>
+FileSystemDelegate::CreateSelectFilePolicy(content::WebContents* web_contents) {
+  NOTIMPLEMENTED();
+  return nullptr;
+}
+
+scoped_refptr<ui::SelectFileDialog> FileSystemDelegate::CreateSelectFileDialog(
+    ui::SelectFileDialog::Listener* listener,
+    std::unique_ptr<ui::SelectFilePolicy> policy) {
+  NOTIMPLEMENTED();
+  return nullptr;
+}
+
+void FileSystemDelegate::ShowSelectFileDialogForWebContents(
+    scoped_refptr<ui::SelectFileDialog> dialog,
+    content::WebContents* web_contents,
+    ui::SelectFileDialog::Type type,
+    const base::FilePath& default_path,
+    const ui::SelectFileDialog::FileTypeInfo* file_types) {
+  NOTIMPLEMENTED();
+}
+
+void FileSystemDelegate::ConfirmSensitiveDirectoryAccess(
+    bool writable,
+    const base::string16& app_name,
+    content::WebContents* web_contents,
+    const base::Closure& on_accept,
+    const base::Closure& on_cancel) {
+  NOTIMPLEMENTED();
+}
+
+bool FileSystemDelegate::GetDescriptionIdForAcceptType(
+    const std::string& accept_type,
+    int* description_id) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+#if defined(OS_CHROMEOS)
+bool FileSystemDelegate::IsGrantable(
+    content::BrowserContext* browser_context,
+    content::RenderFrameHost* render_frame_host,
+    const Extension& extension) {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+void FileSystemDelegate::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) {
+  NOTIMPLEMENTED();
+  error_callback.Run(kNotSupportedOnCurrentPlatformError);
+}
+
+void FileSystemDelegate::GetVolumeList(
+    content::BrowserContext* browser_context,
+    const VolumeListCallback& success_callback,
+    const ErrorCallback& error_callback) {
+  NOTIMPLEMENTED();
+  error_callback.Run(kNotSupportedOnCurrentPlatformError);
+}
+#endif
+
+std::unique_ptr<file_system_api::SavedFilesServiceDelegate>
+FileSystemDelegate::CreateSavedFilesServiceDelegate(
+    content::BrowserContext* browser_context) {
+  NOTIMPLEMENTED();
+  return nullptr;
+}
+
+}  // namespace extensions