paulberry@google.com
30f1b97888
When doing invocation completions, we need to walk the interface types, not the classes, because the interface types record the actual types of the generic parameters. This required some rework because the old technique used an element visitor, and interface types can't be visited using an element visitor. R=danrubel@google.com Review URL: https://codereview.chromium.org//829173003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@43040 260f80e4-7a28-3924-810f-c04153c831b5