Called to retrieve data for the specified |resource_id| nearest the scale
factor |scale_factor|. To provide the resource data set |data| and
|data_size| to the data pointer and size respectively and return true (1).
To use the default resource data return false (0). The resource data will
not be copied and must remain resident in memory. Include
cef_pack_resources.h for a listing of valid resource ID values.
Called to retrieve data for the specified |resource_id| nearest the scale factor |scale_factor|. To provide the resource data set |data| and |data_size| to the data pointer and size respectively and return true (1). To use the default resource data return false (0). The resource data will not be copied and must remain resident in memory. Include cef_pack_resources.h for a listing of valid resource ID values.