Cleanup FileSystemOperation for preparing for adding FSO-factory method

webkit/fileapi/file_system_context.h

Index: webkit/fileapi/file_system_context.h
diff --git a/webkit/fileapi/file_system_context.h b/webkit/fileapi/file_system_context.h
index d7203c61d39422c9ee12001faa121e1a49af48d5..f7e1086156c5a892d64d83ee2fad28bb265285fe 100644
--- a/webkit/fileapi/file_system_context.h
+++ b/webkit/fileapi/file_system_context.h
@@ -24,6 +24,7 @@ class QuotaManagerProxy;
 namespace fileapi {
 
 class ExternalFileSystemMountPointProvider;
+class FileSystemCallbackDispatcher;
 class FileSystemContext;
 class FileSystemFileUtil;
 class FileSystemMountPointProvider;
@@ -84,6 +85,18 @@ class FileSystemContext
   // calling GetMountPointProvider(kFileSystemTypeExternal).
   ExternalFileSystemMountPointProvider* external_provider() const;
 
+  // Opens the filesystem for the given |origin_url| and |type|, and dispatches
+  // the DidOpenFileSystem callback of the given |dispatcher|.
+  // If |create| is true this may actually set up a filesystem instance
+  // (e.g. by creating the root directory or initializing the database
+  // entry etc).
+  // TODO(kinuko): replace the dispatcher with a regular callback.
+  void OpenFileSystem(
+      const GURL& origin_url,
+      FileSystemType type,
+      bool create,
+      scoped_ptr<FileSystemCallbackDispatcher> dispatcher);
+
  private:
   friend struct DefaultContextDeleter;
   void DeleteOnCorrectThread() const;