Added 'starred' to EntryProperty in FileManagerPrivateAPI.

components/drive/resource_metadata_storage.cc

Index: components/drive/resource_metadata_storage.cc
diff --git a/components/drive/resource_metadata_storage.cc b/components/drive/resource_metadata_storage.cc
index 8a0eb35bef7530689e1f077f321e57c3c44ffc43..826eb82d9fd48027591c4882e0dfd3e38bfa55d1 100644
--- a/components/drive/resource_metadata_storage.cc
+++ b/components/drive/resource_metadata_storage.cc
@@ -630,6 +630,22 @@ bool ResourceMetadataStorage::Initialize() {
     }
   }
 
+  // Get 'Starred' property if it hasn't been loaded.
+  if (resource_map_) {

[harukam, 2016/09/29 05:42:18]

if (resource_map_) { ... } is needed to work correctly even in the case such as
ResourceMetadataStorageTest.WrongPath
Is this an appropriate way?

+    bool has_starred = false;
+    ResourceMetadataHeader header;
+    if (GetHeader(&header) == FILE_ERROR_OK)
+      has_starred = header.has_starred();
+
+    if (!has_starred) {
+      FileError error = SetLargestChangestamp(0);
+      if (error == FILE_ERROR_OK && GetHeader(&header) == FILE_ERROR_OK) {
+          header.set_has_starred(true);
+          PutHeader(header);
+      }
+    }
+  }
+
   UMA_HISTOGRAM_ENUMERATION("Drive.MetadataDBInitResult",
                             init_result,
                             DB_INIT_MAX_VALUE);