Add support for actions for multiple file selection.

third_party/closure_compiler/externs/file_manager_private.js

Index: third_party/closure_compiler/externs/file_manager_private.js
diff --git a/third_party/closure_compiler/externs/file_manager_private.js b/third_party/closure_compiler/externs/file_manager_private.js
index 091e31a146a2d4bbe71285ddd0be9ed63c05b24d..48e0d9b59e6909888659bf3e1e03fc7e99953aef 100644
--- a/third_party/closure_compiler/externs/file_manager_private.js
+++ b/third_party/closure_compiler/externs/file_manager_private.js
@@ -641,22 +641,22 @@ chrome.fileManagerPrivate.addProvidedFileSystem =
 chrome.fileManagerPrivate.configureVolume = function(volumeId, callback) {};
 
 /**
- * Requests fetching list of actions for the specified entry. If not possible,
- * then returns an error via chrome.runtime.lastError.
- * @param {!Entry} entry
+ * Requests fetching list of actions for the specified set of entries. If not
+ * possible, then returns an error via chrome.runtime.lastError.
+ * @param {!Array<!Entry>} entries
  * @param {function((!Array<!EntryAction>|undefined))} callback
  */
-chrome.fileManagerPrivate.getEntryActions = function(entry, callback) {};
+chrome.fileManagerPrivate.getCustomActions = function(entries, callback) {};
 
 /**
- * Executes the action on the specified entry. If not possible, then returns an
- * error via chrome.runtime.lastError.
- * @param {!Entry} entry
+ * Executes the action on the specified set of entries. If not possible, then
+ * returns an error via chrome.runtime.lastError.
+ * @param {!Array<!Entry>} entry
  * @param {string} actionId
  * @param {function()} callback
  */
 chrome.fileManagerPrivate.executeAction = function(
-    entry, actionId, callback) {};
+    entries, actionId, callback) {};
 
 /** @type {!ChromeEvent} */
 chrome.fileManagerPrivate.onMountCompleted;