API delegate for non-native file systems

chrome/browser/extensions/api/file_handlers/non_native_file_system_delegate_chromeos.cc

Index: chrome/browser/extensions/api/file_handlers/non_native_file_system_delegate_chromeos.cc
diff --git a/chrome/browser/extensions/api/file_handlers/non_native_file_system_delegate_chromeos.cc b/chrome/browser/extensions/api/file_handlers/non_native_file_system_delegate_chromeos.cc
new file mode 100644
index 0000000000000000000000000000000000000000..dfbcd313c47f8728d1737cb78b33b37d10929249
--- /dev/null
+++ b/chrome/browser/extensions/api/file_handlers/non_native_file_system_delegate_chromeos.cc
@@ -0,0 +1,54 @@
+// 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 "chrome/browser/extensions/api/file_handlers/non_native_file_system_delegate_chromeos.h"
+
+#include "chrome/browser/chromeos/file_manager/filesystem_api_util.h"
+#include "chrome/browser/profiles/profile.h"
+#include "content/public/browser/browser_context.h"
+
+namespace extensions {
+
+NonNativeFileSystemDelegateChromeOS::NonNativeFileSystemDelegateChromeOS() {}
+
+NonNativeFileSystemDelegateChromeOS::~NonNativeFileSystemDelegateChromeOS() {}
+
+bool NonNativeFileSystemDelegateChromeOS::IsUnderNonNativeLocalPath(
+    content::BrowserContext* context,
+    const base::FilePath& path) {
+  return file_manager::util::IsUnderNonNativeLocalPath(
+      Profile::FromBrowserContext(context), path);
+}
+
+void NonNativeFileSystemDelegateChromeOS::GetNonNativeLocalPathMimeType(
+    content::BrowserContext* context,
+    const base::FilePath& path,
+    const base::Callback<void(bool, const std::string&)>& callback) {
+  return file_manager::util::GetNonNativeLocalPathMimeType(
+      Profile::FromBrowserContext(context), path, callback);
+}
+
+// Checks whether |path| points to a non-local filesystem directory and calls
+// |callback| with the result asynchronously.
+void NonNativeFileSystemDelegateChromeOS::IsNonNativeLocalPathDirectory(
+    content::BrowserContext* context,
+    const base::FilePath& path,
+    const base::Callback<void(bool)>& callback) {
+  file_manager::util::IsNonNativeLocalPathDirectory(
+      Profile::FromBrowserContext(context), path, callback);
+}
+
+// Ensures a non-local file exists at |path|, i.e., it does nothing if a file
+// is already present, or creates a file there if it isn't. Asynchronously
+// calls |callback| with a success value.
+void NonNativeFileSystemDelegateChromeOS::
+    PrepareNonNativeLocalFileForWritableApp(
+        content::BrowserContext* context,
+        const base::FilePath& path,
+        const base::Callback<void(bool)>& callback) {
+  file_manager::util::PrepareNonNativeLocalFileForWritableApp(
+      Profile::FromBrowserContext(context), path, callback);
+}
+
+}  // namespace extensions