Remove TransferFileFromRemoteToLocal, which are no longer used.

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 41be0cf4a57b983b4acae0b4aac25d8d4d3be557..2ef40134684e2c2b8018c6f528769b861df0bd1d 100644
--- a/chrome/browser/chromeos/drive/file_system/copy_operation.h
+++ b/chrome/browser/chromeos/drive/file_system/copy_operation.h
@@ -60,15 +60,6 @@ class CopyOperation {
             const base::FilePath& dest_file_path,
             const FileOperationCallback& callback);
 
-  // Initiates transfer of |remote_src_file_path| to |local_dest_file_path|.
-  // |remote_src_file_path| is the virtual source path on the Drive file system.
-  // |local_dest_file_path| is the destination path on the local file system.
-  //
-  // |callback| must not be null.
-  void TransferFileFromRemoteToLocal(const base::FilePath& remote_src_file_path,
-                                     const base::FilePath& local_dest_file_path,
-                                     const FileOperationCallback& callback);
-
   // Initiates transfer of |local_src_file_path| to |remote_dest_file_path|.
   // |local_src_file_path| must be a file from the local file system.
   // |remote_dest_file_path| is the virtual destination path within Drive file
@@ -101,17 +92,6 @@ class CopyOperation {
       const FileOperationCallback& callback,
       FileError error);
 
-  // Invoked upon completion of GetFileByPath initiated by
-  // TransferFileFromRemoteToLocal. If GetFileByPath reports no error, calls
-  // CopyLocalFileOnBlockingPool to copy |local_file_path| to
-  // |local_dest_file_path|.
-  void OnGetFileCompleteForTransferFile(
-      const base::FilePath& local_dest_file_path,
-      const FileOperationCallback& callback,
-      FileError error,
-      const base::FilePath& local_file_path,
-      scoped_ptr<ResourceEntry> entry);
-
   // Copies a hosted document with |resource_id| to the directory at |dir_path|
   // and names the copied document as |new_name|.
   void CopyHostedDocumentToDirectory(const base::FilePath& dir_path,