Add the boilerplate for actions to File System Provider API.

chrome/browser/chromeos/file_system_provider/operations/get_actions.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
+// Copyright 2015 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.
 
-#ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_ADD_WATCHER_H_
-#define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_ADD_WATCHER_H_
+#ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_GET_ACTIONS_H_
+#define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_GET_ACTIONS_H_
 
 #include "base/files/file.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/chromeos/file_system_provider/operations/operation.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
 #include "chrome/browser/chromeos/file_system_provider/request_value.h"
-#include "storage/browser/fileapi/async_file_util.h"
+#include "chrome/common/extensions/api/file_system_provider_internal.h"
 
 namespace base {
 class FilePath;
 }  // namespace base
 
 namespace extensions {
 class EventRouter;
 }  // namespace extensions
 
 namespace chromeos {
 namespace file_system_provider {
 namespace operations {
 
-// Adds a watcher. If |recursive| is true, than also watches for all of the
-// child entries in within, recursively. Recursive must not be set to true for
-// files.
-class AddWatcher : public Operation {
+// Checks whether the passed name is valid or not.
+bool ValidateName(const std::string& name, bool root_entry);
+
+// Bridge between fileapi get actions operation and providing extension's get
+// actions request. Created per request.
+class GetActions : public Operation {
  public:
-  AddWatcher(extensions::EventRouter* event_router,
+  GetActions(extensions::EventRouter* event_router,
              const ProvidedFileSystemInfo& file_system_info,
              const base::FilePath& entry_path,
-             bool recursive,
-             const storage::AsyncFileUtil::StatusCallback& callback);
-  ~AddWatcher() override;
+             const ProvidedFileSystemInterface::GetActionsCallback& callback);
+  ~GetActions() override;
 
   // Operation overrides.
   bool Execute(int request_id) override;
   void OnSuccess(int request_id,
                  scoped_ptr<RequestValue> result,
                  bool has_more) override;
   void OnError(int request_id,
                scoped_ptr<RequestValue> result,
                base::File::Error error) override;
 
  private:
-  const base::FilePath entry_path_;
-  const bool recursive_;
-  const storage::AsyncFileUtil::StatusCallback callback_;
+  base::FilePath entry_path_;
+  const ProvidedFileSystemInterface::GetActionsCallback callback_;
 
-  DISALLOW_COPY_AND_ASSIGN(AddWatcher);
+  DISALLOW_COPY_AND_ASSIGN(GetActions);
 };
 
 }  // namespace operations
 }  // namespace file_system_provider
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_ADD_WATCHER_H_
+#endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_OPERATIONS_GET_ACTIONS_H_