GitLab

This CL adds input_method_manager.mojom file and stub implementation
for InputMethodManagerHost interface.
input_method_manager.mojom file defines the bridge interface
between Chrome OS's InputMethodManager and Android's InputMethodManager.

Bug: 845079
Test: unit_tests
Change-Id: I3d5a25c7774a1258fc0e1494fc351571327a89dd
Reviewed-on: https://chromium-review.googlesource.com/1065560
Commit-Queue: Yuichiro Hanada <yhanada@chromium.org>
Reviewed-by: Yusuke Sato <yusukes@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Kazuhiro Inaba <kinaba@chromium.org>
Cr-Commit-Position: refs/heads/master@{#560961}