SyncFS: Add resource type field into DriveMetadata

chrome/browser/sync_file_system/sync_file_system.proto

Index: chrome/browser/sync_file_system/sync_file_system.proto
diff --git a/chrome/browser/sync_file_system/sync_file_system.proto b/chrome/browser/sync_file_system/sync_file_system.proto
index 8d99f6f1bb0e6204a821bd2636b17cb9cddfc9f1..05dfd34812681dfc868a04ab18f6938373291a3b 100644
--- a/chrome/browser/sync_file_system/sync_file_system.proto
+++ b/chrome/browser/sync_file_system/sync_file_system.proto
@@ -18,4 +18,6 @@ message DriveMetadata {
   // When true, indicates that the remote file identified by |resource_id|
   // should be fetched for solving the conflict (resolve-to-remote resolution).
   required bool to_be_fetched = 4;
+
+  optional bool is_folder = 5;

[kinuko, 2013/04/16 11:14:45]

maybe [default = false] ?

Alternatively we can add a type field with enum like

enum ResourceType {
 FILE = 0;
 FOLDER = 1;
}
optional ResourceType type = 5 [default = FILE];

[nhiroki, 2013/04/16 11:37:07]

Done.

 }