gdata: Remove use of FindEntryByPathSync() fromMoveOnUIThread()

chrome/browser/chromeos/gdata/gdata_file_system.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 #define CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 340 matching lines @@
                                const FilePath::StringType& new_name,
                                const FileOperationCallback& callback);
 
   // Renames a file or directory at |file_path| to |new_name| in the same
   // directory. |callback| will receive the new file path if the operation is
   // successful. If the new name already exists in the same directory, the file
   // name is uniquified by adding a parenthesized serial number like
   // "foo (2).txt"
   //
   // Can be called from UI thread. |callback| is run on the calling thread.
+  // |callback| must not be null.
   void Rename(const FilePath& file_path,
               const FilePath::StringType& new_name,
               const FileMoveCallback& callback);
 
   // Part of Rename(). Called after GetEntryInfoByPath() is complete.
   void RenameAfterGetEntryInfo(const FilePath& file_path,
                                const FilePath::StringType& new_name,
                                const FileMoveCallback& callback,
                                GDataFileError error,
                                scoped_ptr<GDataEntryProto> entry_proto);
@@ skipping 369 matching lines @@
                                  GDataCache::FileOperationType cache_operation,
                                  const base::Closure& callback);
 
   // Part of CopyOnUIThread(). Called after GetEntryInfoPairByPaths() is
   // complete.
   void CopyOnUIThreadAfterGetEntryInfoPair(
     const FilePath& dest_file_path,
     const FileOperationCallback& callback,
     scoped_ptr<EntryInfoPairResult> result);
 
+  // Part of MoveOnUIThread(). Called after GetEntryInfoPairByPaths() is
+  // complete. |callback| must not be null.
+  void MoveOnUIThreadAfterGetEntryInfoPair(
+    const FilePath& dest_file_path,
+    const FileOperationCallback& callback,
+    scoped_ptr<EntryInfoPairResult> result);
+
   // Part of RemoveOnUIThread(). Called after GetEntryInfoByPath() is
   // complete.
   void RemoveOnUIThreadAfterGetEntryInfo(
     const FilePath& file_path,
     bool is_recursive,
     const FileOperationCallback& callback,
     GDataFileError error,
     scoped_ptr<GDataEntryProto> entry_proto);
 
   // Part of RequestDirectoryRefreshOnUIThread(). Called after
@@ skipping 68 matching lines @@
   // invalidate the weak pointers before any other members are destroyed.
   base::WeakPtrFactory<GDataFileSystem> ui_weak_ptr_factory_;
   // Unlike other classes, we need this as we need this to redirect a task
   // from IO thread to UI thread.
   base::WeakPtr<GDataFileSystem> ui_weak_ptr_;
 };
 
 }  // namespace gdata
 
 #endif  // CHROME_BROWSER_CHROMEOS_GDATA_GDATA_FILE_SYSTEM_H_