GitLab

Some interfaces depend on many other interfaces. Before this patch users
would have to manually add externs for every interface used.

This CL introduces a new target that js_libraries can use to include
all the necessary externs to use an interface.

Bug: 849993
Change-Id: I97acb7bbbd604e7ebeb1cb5fe814e4afecefe2d6
Reviewed-on: https://chromium-review.googlesource.com/c/1369485Reviewed-by: Ken Rockot <rockot@google.com>
Reviewed-by: calamity <calamity@chromium.org>
Commit-Queue: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#615441}