Use CopyResourceOnServer to upload JSON GDoc file on Drive API v2.

chrome/browser/chromeos/drive/file_system/copy_operation.h

Index: chrome/browser/chromeos/drive/file_system/copy_operation.h
diff --git a/chrome/browser/chromeos/drive/file_system/copy_operation.h b/chrome/browser/chromeos/drive/file_system/copy_operation.h
index 63e6fc034855d925cb05920d1d66e4159624a8a2..916940dca2a5eb7962945687ae7debff46355700 100644
--- a/chrome/browser/chromeos/drive/file_system/copy_operation.h
+++ b/chrome/browser/chromeos/drive/file_system/copy_operation.h
@@ -88,12 +88,14 @@ class CopyOperation {
                          scoped_ptr<ResourceEntry> entry);
 
   // Part of TransferFileFromLocalToRemote(). Called after preparation is done.
-  // |gdoc_resource_id| is available only if the file is JSON GDoc file.
+  // |gdoc_resource_id| and |parent_resource_id| is available only if the file
+  // is JSON GDoc file.
   void TransferFileFromLocalToRemoteAfterPrepare(
       const base::FilePath& local_src_path,
       const base::FilePath& remote_dest_path,
       const FileOperationCallback& callback,
       std::string* gdoc_resource_id,
+      std::string* parent_resource_id,
       FileError error);
 
   // Copies resource with |resource_id| into the directory |parent_resource_id|