2e4849856a
The VM's gen_snapshot already accepts an --embedder-entry-points-manifest option. This CL makes dartk/transform.dart accept the same option and pass the roots on to the treeshaker. In addition to what gen_snapshot accepts, we also accept "*external-instantiation*" instead of a specific constructor/factory name) BUG=https://github.com/dart-lang/sdk/issues/28559 R=asgerf@google.com, vegorov@google.com Review-Url: https://codereview.chromium.org/2668893004 .