Add support for actions for multiple file selection.

chrome/common/extensions/api/file_system_provider.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.
 
 // Use the <code>chrome.fileSystemProvider</code> API to create file systems,
 // that can be accessible from the file manager on Chrome OS.
 [implemented_in="chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_api.h"]
 namespace fileSystemProvider {
   // Error codes used by providing extensions in response to requests as well
   // as in case of errors when calling methods of the API. For success,
@@ skipping 170 matching lines @@
   };
 
   // Options for the $(ref:onGetActionsRequested) event.
   dictionary GetActionsRequestedOptions {
     // The identifier of the file system related to this operation.
     DOMString fileSystemId;
 
     // The unique identifier of this request.
     long requestId;
 
-    // The path of the entry to return the list of actions for.
-    DOMString entryPath;
+    // List of paths of entries for the list of actions.
+    DOMString[] entryPaths;
   };
 
   // Options for the $(ref:onReadDirectoryRequested) event.
   dictionary ReadDirectoryRequestedOptions {
     // The identifier of the file system related to this operation.
     DOMString fileSystemId;
 
     // The unique identifier of this request.
     long requestId;
 
@@ skipping 206 matching lines @@
   };
 
   // Options for the $(ref:onExecuteActionRequested) event.
   dictionary ExecuteActionRequestedOptions {
     // The identifier of the file system related to this operation.
     DOMString fileSystemId;
 
     // The unique identifier of this request.
     long requestId;
 
-    // The path of the entry to be used for the action.
-    DOMString entryPath;
+    // The set of paths of the entries to be used for the action.
+    DOMString[] entryPaths;
 
     // The identifier of the action to be executed.
     DOMString actionId;
   };
 
   // Information about a change happened to an entry within the observed
   // directory (including the entry itself).
   dictionary Change {
     // The path of the changed entry.
     DOMString entryPath;
@@ skipping 152 matching lines @@
 
     // Raised when metadata of a file or a directory at <code>entryPath</code>
     // is requested. The metadata must be returned with the
     // <code>successCallback</code> call. In case of an error,
     // <code>errorCallback</code> must be called.
     [maxListeners=1] static void onGetMetadataRequested(
         GetMetadataRequestedOptions options,
         MetadataCallback successCallback,
         ProviderErrorCallback errorCallback);
 
-    // Raised when list of actions for of a file or a directory at
-    // <code>entryPath</code>s requested. The actions must be returned with the
+    // Raised when a list of actions for a set of files or directories at
+    // <code>entryPaths</code> is requested. All of the returned actions must
+    // be applicable to each entry. If there are no such actions, an empty array
+    // should be returned. The actions must be returned with the
     // <code>successCallback</code> call. In case of an error,
     // <code>errorCallback</code> must be called.
     [maxListeners=1, nodoc] static void onGetActionsRequested(
         GetActionsRequestedOptions options,
         ActionsCallback successCallback,
         ProviderErrorCallback errorCallback);
 
     // Raised when contents of a directory at <code>directoryPath</code> are
     // requested. The results must be returned in chunks by calling the
     // <code>successCallback</code> several times. In case of an error,
@@ skipping 118 matching lines @@
       ProviderSuccessCallback successCallback,
       ProviderErrorCallback errorCallback);
 
     // Raised when the watcher should be removed. If an error occurs, then
     // <code>errorCallback</code> must be called.
     [maxListeners=1] static void onRemoveWatcherRequested(
       RemoveWatcherRequestedOptions options,
       ProviderSuccessCallback successCallback,
       ProviderErrorCallback errorCallback);
 
-    // Raised when executing an action for a file or a directory is requested.
-    // After the action is completed, <code>successCallback</code> must be
-    // called. On error, <code>errorCallback</code> must be called.
+    // Raised when executing an action for a set of files or directories is\
+    // requested. After the action is completed, <code>successCallback</code>
+    // must be called. On error, <code>errorCallback</code> must be called.
     [maxListeners=1, nodoc] static void onExecuteActionRequested(
       ExecuteActionRequestedOptions options,
       ProviderSuccessCallback successCallback,
       ProviderErrorCallback errorCallback);
   };
 };