cros: Convert browser tests to use mojo generated AsyncWaiter

The mojo bindings generator produces FooAsyncWaiter for interface Foo.
Convert the 2 tests that were using mojo::test::Waiter to use the
new approach and eliminate mojo::test::Waiter.

Bug: 775121
Test: browser_tests
Change-Id: I2c570fed5902fb185ebc1fcdd328c8c755d4afbe
Reviewed-on: https://chromium-review.googlesource.com/721695
Reviewed-by: Ken Rockot <rockot@chromium.org>
Commit-Queue: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509175}

CrOS-Libchrome-Original-Commit: 1bf4f34b088b147f6663ecee580eff8d75a7a1e9
2 files changed
tree: ef7804ff2c006221e5882c44aeef17f59edeedce
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/