FILE_MAPPING_SINGLETON_ID 2493 content/renderer/pepper/pepper_plugin_instance_impl.cc     case ppapi::FILE_MAPPING_SINGLETON_ID:
FILE_MAPPING_SINGLETON_ID  392 ppapi/proxy/ppb_instance_proxy.cc     case FILE_MAPPING_SINGLETON_ID:
FILE_MAPPING_SINGLETON_ID   40 ppapi/thunk/ppb_file_mapping_api.h       FILE_MAPPING_SINGLETON_ID;