Revert 137657 - Remove directory_path argument from chromeos::FindEntryCallback

chrome/browser/chromeos/gdata/gdata_file_system.h

Index: chrome/browser/chromeos/gdata/gdata_file_system.h
===================================================================
--- chrome/browser/chromeos/gdata/gdata_file_system.h	(revision 137657)
+++ chrome/browser/chromeos/gdata/gdata_file_system.h	(working copy)
@@ -958,6 +958,7 @@
   // directory.
   void OnUpdateChecked(ContentOrigin initial_origin,
                        base::PlatformFileError error,
+                       const FilePath& directory_path,
                        GDataEntry* entry);
 
   // Starts root feed load from the cache. If successful, it will try to find
@@ -1342,16 +1343,19 @@
   // Called when an entry is found for GetEntryInfoByPathAsync().
   void OnGetEntryInfo(const GetEntryInfoCallback& callback,
                       base::PlatformFileError error,
+                      const FilePath& entry_path,
                       GDataEntry* entry);
 
   // Called when an entry is found for GetFileInfoByPathAsync().
   void OnGetFileInfo(const GetFileInfoCallback& callback,
                      base::PlatformFileError error,
+                     const FilePath& directory_path,
                      GDataEntry* entry);
 
   // Called when an entry is found for ReadDirectoryByPathAsync().
   void OnReadDirectory(const ReadDirectoryCallback& callback,
                        base::PlatformFileError error,
+                       const FilePath& directory_path,
                        GDataEntry* entry);
 
   // Finds file info by using virtual |file_path|. This call will also