1 query_parser is a components used by both history and bookmarks to avoid having 2 a cyclic dependencies between the two components. It only exports types used to 3 parse and normalize queries into the history search. 4 5 query_parser is not allowed to depend on content/, because it is used by iOS. 6 If dependences on content/ need to be added to query_parser, it will have to be 7 made into a layered component. See [1] for more information. 8 9 1: http://www.chromium.org/developers/design-documents/layered-components-design 10
