[Extensions] Convert some ChromeSyncExtensionFunctions

chrome/browser/extensions/api/file_system/file_system_api.h

 // Copyright (c) 2012 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_EXTENSIONS_API_FILE_SYSTEM_FILE_SYSTEM_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_FILE_SYSTEM_API_H_
 
 #include <memory>
 #include <string>
 #include <vector>
@@ skipping 125 matching lines @@
 
   Profile* const profile_;
   content::RenderFrameHost* const host_;
 
   DISALLOW_COPY_AND_ASSIGN(ConsentProviderDelegate);
 };
 #endif
 
 }  // namespace file_system_api
 
-class FileSystemGetDisplayPathFunction : public ChromeSyncExtensionFunction {
+class FileSystemGetDisplayPathFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystem.getDisplayPath",
                              FILESYSTEM_GETDISPLAYPATH)
 
  protected:
   ~FileSystemGetDisplayPathFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class FileSystemEntryFunction : public ChromeAsyncExtensionFunction {
  protected:
   FileSystemEntryFunction();
 
   ~FileSystemEntryFunction() override {}
 
   // This is called when writable file entries are being returned. The function
   // will ensure the files exist, creating them if necessary, and also check
@@ skipping 35 matching lines @@
   bool RunAsync() override;
 
  private:
   void CheckPermissionAndSendResponse();
   void SetIsDirectoryOnFileThread();
 
   // The path to the file for which a writable entry has been requested.
   base::FilePath path_;
 };
 
-class FileSystemIsWritableEntryFunction : public ChromeSyncExtensionFunction {
+class FileSystemIsWritableEntryFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystem.isWritableEntry",
                              FILESYSTEM_ISWRITABLEENTRY)
 
  protected:
   ~FileSystemIsWritableEntryFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class FileSystemChooseEntryFunction : public FileSystemEntryFunction {
  public:
   // Allow picker UI to be skipped in testing.
   static void SkipPickerAndAlwaysSelectPathForTest(base::FilePath* path);
   static void SkipPickerAndAlwaysSelectPathsForTest(
       std::vector<base::FilePath>* paths);
   static void SkipPickerAndSelectSuggestedPathForTest();
   static void SkipPickerAndAlwaysCancelForTest();
@@ skipping 65 matching lines @@
  private:
   // Retains the file entry referenced by |entry_id| in apps::SavedFilesService.
   // |entry_id| must refer to an entry in an isolated file system.  |path| is a
   // path of the entry.  |file_info| is base::File::Info of the entry if it can
   // be obtained.
   void RetainFileEntry(const std::string& entry_id,
                        const base::FilePath& path,
                        std::unique_ptr<base::File::Info> file_info);
 };
 
-class FileSystemIsRestorableFunction : public ChromeSyncExtensionFunction {
+class FileSystemIsRestorableFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystem.isRestorable", FILESYSTEM_ISRESTORABLE)
 
  protected:
   ~FileSystemIsRestorableFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 class FileSystemRestoreEntryFunction : public FileSystemEntryFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystem.restoreEntry", FILESYSTEM_RESTOREENTRY)
 
  protected:
   ~FileSystemRestoreEntryFunction() override {}
   bool RunAsync() override;
 };
 
-class FileSystemObserveDirectoryFunction : public ChromeSyncExtensionFunction {
+class FileSystemObserveDirectoryFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystem.observeDirectory",
                              FILESYSTEM_OBSERVEDIRECTORY)
 
  protected:
   ~FileSystemObserveDirectoryFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
-class FileSystemUnobserveEntryFunction : public ChromeSyncExtensionFunction {
+class FileSystemUnobserveEntryFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystem.unobserveEntry",
                              FILESYSTEM_UNOBSERVEENTRY)
 
  protected:
   ~FileSystemUnobserveEntryFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
-class FileSystemGetObservedEntriesFunction
-    : public ChromeSyncExtensionFunction {
+class FileSystemGetObservedEntriesFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystem.getObservedEntries",
                              FILESYSTEM_GETOBSERVEDENTRIES);
 
  protected:
   ~FileSystemGetObservedEntriesFunction() override {}
-  bool RunSync() override;
+  ResponseAction Run() override;
 };
 
 #if !defined(OS_CHROMEOS)
 // Stub for non Chrome OS operating systems.
 class FileSystemRequestFileSystemFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileSystem.requestFileSystem",
                              FILESYSTEM_REQUESTFILESYSTEM);
 
  protected:
@@ skipping 54 matching lines @@
   ExtensionFunction::ResponseAction Run() override;
 
  private:
   ChromeExtensionFunctionDetails chrome_details_;
 };
 #endif
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_FILE_SYSTEM_API_H_