Copy folder recursively for syncfsToLocalfs export.

chrome/browser/extensions/api/developer_private/developer_private_api.h

Index: chrome/browser/extensions/api/developer_private/developer_private_api.h
diff --git a/chrome/browser/extensions/api/developer_private/developer_private_api.h b/chrome/browser/extensions/api/developer_private/developer_private_api.h
index 01361b9cf45a0b66ebdece9c462335b2c5caf607..244af11e217590f826d03bb3d5125c3cc9a4b65b 100644
--- a/chrome/browser/extensions/api/developer_private/developer_private_api.h
+++ b/chrome/browser/extensions/api/developer_private/developer_private_api.h
@@ -351,16 +351,16 @@ class DeveloperPrivateExportSyncfsFolderToLocalfsFunction
 
    void ClearPrexistingDirectoryContent(const base::FilePath& project_path);
 
-   void ReadSyncFileSystemDirectory(const base::FilePath& project_path);
+   void ReadSyncFileSystemDirectory(const base::FilePath& project_path,
+                                    const base::FilePath& destination_path);
 
    void ReadSyncFileSystemDirectoryCb(
        const base::FilePath& project_path,
+       const base::FilePath& destination_path,
        base::PlatformFileError result,
        const fileapi::FileSystemOperation::FileEntryList& file_list,
        bool has_more);
 
-   void CreateFolderAndSendResponse(const base::FilePath& project_path);
-
    void SnapshotFileCallback(
        const base::FilePath& target_path,
        base::PlatformFileError result,
@@ -374,7 +374,7 @@ class DeveloperPrivateExportSyncfsFolderToLocalfsFunction
    scoped_refptr<fileapi::FileSystemContext> context_;
 
   private:
-   int pendingCallbacksCount_;
+   int pendingCopyOperationsCount_;
 
    // This is set to false if any of the copyFile operations fail on
    // call of the API. It is returned as a response of the API call.