gdata: Remove use of FindEntryByPathSync() from MoveEntryFromRootDirectory()

chrome/browser/chromeos/gdata/gdata_file_system.h

Index: chrome/browser/chromeos/gdata/gdata_file_system.h
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system.h b/chrome/browser/chromeos/gdata/gdata_file_system.h
index 34c5ad77b7146edc1ceb2edc9c5ca296c5c41c9d..923406c52b415b00d4a71c6700bfea2a35e45058 100644
--- a/chrome/browser/chromeos/gdata/gdata_file_system.h
+++ b/chrome/browser/chromeos/gdata/gdata_file_system.h
@@ -384,6 +384,12 @@ class GDataFileSystem : public GDataFileSystemInterface,
                                   GDataFileError error,
                                   const FilePath& file_path);
 
+  // Part of MoveEntryFromRootDirectory(). Called after
+  // GetEntryInfoPairByPaths() is complete. |callback| must not be null.
+  void MoveEntryFromRootDirectoryAfterGetEntryInfoPair(
+    const FileOperationCallback& callback,
+    scoped_ptr<EntryInfoPairResult> result);
+
   // Removes a file or directory at |file_path| from the directory at
   // |dir_path| and moves it to the root directory.
   //