Mojo C++ Bindings: Support custom impl ref types

Allows binding primitives to use custom reference types
for their interface implementation.

BUG=654218

Review-Url: https://codereview.chromium.org/2403533003
Cr-Commit-Position: refs/heads/master@{#424118}


CrOS-Libchrome-Original-Commit: 8e2a5d2996da6336f3c817eda73da12c7a3c7d84
10 files changed
tree: e4e53f3a8615ea23865504a4132c8d8e2a93317c
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/