Right now, various perf dashboard components have methods like setCallback to do work when some user-initiated or network-initiated events. Introduce the notion of "action" to standardize this mechanism.
Created attachment 299235 [details] Adds the notion of an action
Comment on attachment 299235 [details] Adds the notion of an action rs=me
Committed r210938: <http://trac.webkit.org/changeset/210938>