Add support for actions for multiple file selection.

chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h

Index: chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h
diff --git a/chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h b/chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h
index 6f45d0c6f038ba9396a014361ea10e634cd0f336..47f7efd9aab06dfb184688c2679e9677ace5d410 100644
--- a/chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h
+++ b/chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_INTERFACE_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_INTERFACE_H_
 
+#include <set>
 #include <string>
 #include <vector>
 
@@ -119,14 +120,14 @@ class ProvidedFileSystemInterface {
                                     MetadataFieldMask fields,
                                     const GetMetadataCallback& callback) = 0;
 
-  // Requests list of actions for the passed |entry_path|. It can be either a
-  // file or a directory.
-  virtual AbortCallback GetActions(const base::FilePath& entry_path,
+  // Requests list of actions for the passed set of entries at |entry_paths|.
+  // They can be either files or directories.
+  virtual AbortCallback GetActions(const std::set<base::FilePath>& entry_paths,
                                    const GetActionsCallback& callback) = 0;
 
-  // Executes the |action_id| action on the entry at |entry_path|.
+  // Executes the |action_id| action on the set of entries at |entry_paths|.
   virtual AbortCallback ExecuteAction(
-      const base::FilePath& entry_path,
+      const std::set<base::FilePath>& entry_paths,
       const std::string& action_id,
       const storage::AsyncFileUtil::StatusCallback& callback) = 0;