Move chrome.fileSystem interface and bindings to //extensions

extensions/common/permissions/extensions_api_permissions.cc

 // Copyright 2014 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/common/permissions/extensions_api_permissions.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <vector>
@@ skipping 40 matching lines @@
       {APIPermission::kDiagnostics, "diagnostics",
        APIPermissionInfo::kFlagCannotBeOptional},
       {APIPermission::kDisplaySource, "displaySource"},
       {APIPermission::kDns, "dns"},
       {APIPermission::kDocumentScan, "documentScan"},
       {APIPermission::kExtensionView, "extensionview",
        APIPermissionInfo::kFlagCannotBeOptional},
       {APIPermission::kExternallyConnectableAllUrls,
        "externally_connectable.all_urls"},
       {APIPermission::kFullscreen, "app.window.fullscreen"},
+
+      // The permission string for "fileSystem" is only shown when
+      // "write" or "directory" is present. Read-only access is only
+      // granted after the user has been shown a file or directory
+      // chooser dialog and selected a file or directory. Selecting
+      // the file or directory is considered consent to read it.

[michaelpg, 2017/06/13 23:27:50]

This UI description probably belongs in chrome... somewhere.

+      {APIPermission::kFileSystem, "fileSystem"},
+      {APIPermission::kFileSystemDirectory, "fileSystem.directory"},
+      {APIPermission::kFileSystemRequestFileSystem,
+       "fileSystem.requestFileSystem"},
+      {APIPermission::kFileSystemRetainEntries, "fileSystem.retainEntries"},
+      {APIPermission::kFileSystemWrite, "fileSystem.write"},
+
       {APIPermission::kHid, "hid"},
       {APIPermission::kImeWindowEnabled, "app.window.ime"},
       {APIPermission::kOverrideEscFullscreen,
        "app.window.fullscreen.overrideEsc"},
       {APIPermission::kIdle, "idle"},
       {APIPermission::kLockScreen, "lockScreen"},
       {APIPermission::kMediaPerceptionPrivate, "mediaPerceptionPrivate"},
       {APIPermission::kMetricsPrivate, "metricsPrivate",
        APIPermissionInfo::kFlagCannotBeOptional},
       {APIPermission::kNetworkingConfig, "networking.config"},
@@ skipping 38 matching lines @@
 
   std::vector<std::unique_ptr<APIPermissionInfo>> permissions;
 
   for (size_t i = 0; i < arraysize(permissions_to_register); ++i)
     permissions.push_back(
         base::WrapUnique(new APIPermissionInfo(permissions_to_register[i])));
   return permissions;
 }
 
 }  // namespace extensions