Add chrome.fileManagerPrivate.getProvidingExtensions().

chrome/common/extensions/api/file_manager_private.idl

 // Copyright 2013 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.
 
 // fileManagerPrivate API.
 // This is a private API used by the file browser of ChromeOS.
 [platforms=("chromeos"),
  implemented_in="chrome/browser/chromeos/extensions/file_manager/file_manager_private_api_functions.h"]
 namespace fileManagerPrivate {
 // Type of the mounted volume.
@@ skipping 500 matching lines @@
 
 // Device event dispatched to listeners of onDeviceChaged.  See also
 // DeviceEventType to know when the event dispatched.
 dictionary DeviceEvent {
   // Event type of the device event.
   DeviceEventType type;
   // Device path to identify the device.
   DOMString devicePath;
 };
 
+// Describes an installed providing extension.
+dictionary ProvidingExtension {
+  // ID of the providing extension.
+  DOMString extensionId;
+
+  // Name of the providing extension.
+  DOMString name;
+
+  // Whether supports configuration dialog.
+  boolean canConfigure;
+
+  // Whether supports adding new instances.
+  boolean canAdd;
+};
+
 // Callback that does not take arguments.
 callback SimpleCallback = void();
 
 // |result| Boolean result returned by the invoked function.
 callback BooleanCallback = void(boolean result);
 
 // |result| Result of the task execution.
 callback ExecuteTaskCallback = void(TaskResult result);
 
 // |tasks| The list of matched file URL patterns for this task.
@@ skipping 73 matching lines @@
                                     DOMString runningProfile,
                                     DOMString displayProfile);
 
 // |entryUrl| URL of an entry in a normal file system.
 callback ResolveEntriesCallback =
     void([instanceOf=Entry] object[] entries);
 
 // |checksum| Result checksum.
 callback ComputeChecksumCallback = void(DOMString checksum);
 
+// |extensions| List of providing extensions.
+callback GetProvidingExtensionsCallback = void(ProvidingExtension[] extensions);
+
 interface Functions {
   // Logout the current user for navigating to the re-authentication screen for
   // the Google account.
   static void logoutUserForReauthentication();
 
   // Cancels file selection.
   static void cancelDialog();
 
   // Executes file browser task over selected files.
   // |taskId| The unique identifier of task to execute.
@@ skipping 257 matching lines @@
 
   // Sets a tag on a file or a directory. Only Drive files are supported.
   static void setEntryTag(DOMString entryURL,
                           EntryTagVisibility visibility,
                           DOMString key,
                           DOMString value,
                           SimpleCallback callback);
 
   // Returns if Piex loader is enabled.
   static void isPiexLoaderEnabled(BooleanCallback callback);
+
+  // Returns list of available providing extensions.
+  static void getProvidingExtensions(GetProvidingExtensionsCallback callback);
 };
 
 interface Events {
   static void onMountCompleted(MountCompletedEvent event);
 
   static void onFileTransfersUpdated(FileTransferStatus event);
 
   static void onCopyProgress(long copyId, CopyProgressStatus status);
 
   static void onDirectoryChanged(FileWatchEvent event);
 
   static void onPreferencesChanged();
 
   static void onDriveConnectionStatusChanged();
 
   static void onDeviceChanged(DeviceEvent event);
 
   static void onDriveSyncError(DriveSyncErrorEvent event);
 };
 };