Remaining cleanup (base::Bind): Replacing FileUtilProxy calls with new callback

webkit/fileapi/file_system_file_util_proxy.h

Index: webkit/fileapi/file_system_file_util_proxy.h
diff --git a/webkit/fileapi/file_system_file_util_proxy.h b/webkit/fileapi/file_system_file_util_proxy.h
index 8fdf03b36a2b23a793b6dff1267ba3f95a8679b8..a3e85e517cd747daf2a70fc7ac9aa61f07e5ed3a 100644
--- a/webkit/fileapi/file_system_file_util_proxy.h
+++ b/webkit/fileapi/file_system_file_util_proxy.h
@@ -33,19 +33,24 @@ using base::PlatformFileInfo;
 // FileSystem API.
 class FileSystemFileUtilProxy {
  public:
+  typedef base::FileUtilProxy::Entry Entry;
+
   typedef base::FileUtilProxy::StatusCallback StatusCallback;
   typedef base::FileUtilProxy::CreateOrOpenCallback CreateOrOpenCallback;
-  typedef base::FileUtilProxy::EnsureFileExistsCallback
-    EnsureFileExistsCallback;
-  typedef base::Callback<
-      void(PlatformFileError /* error code */,
-           const PlatformFileInfo& /* file_info */,
-           const FilePath& /* platform_path, where possible */)>
-      GetFileInfoCallback;
+  typedef base::Callback<void(PlatformFileError,
+                              bool /* created */
+                              )> EnsureFileExistsCallback;
+  typedef base::Callback<void(PlatformFileError,
+                              const PlatformFileInfo&,
+                              const FilePath& /* platform_path */
+                              )> GetFileInfoCallback;
+  typedef base::Callback<void(PlatformFileError,
+                              const std::vector<Entry>&
+                              )> ReadDirectoryCallback;
+
   typedef Callback2<PlatformFileError /* error code */,
                     const FilePath& /* local_path, where possible */
                     >::Type GetLocalPathCallback;
-  typedef base::FileUtilProxy::ReadDirectoryCallback ReadDirectoryCallback;
 
   // Creates or opens a file with the given flags.  It is invalid to pass NULL
   // for the callback.