MapType            21 components/policy/core/common/policy_bundle.h   typedef std::map<PolicyNamespace, PolicyMap*> MapType;
MapType            41 gpu/command_buffer/service/id_manager.h   typedef base::hash_map<GLuint, GLuint> MapType;
MapType            34 net/base/linked_hash_map.h   typedef base::hash_map<Key, typename ListType::iterator> MapType;