The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/318867a70265ecb47c6dcbddacc153eaf34a99f9

commit 318867a70265ecb47c6dcbddacc153eaf34a99f9
Author: moshayedi <moshayedi@chromium.org>
Date: Fri Jan 13 22:27:52 2017

IME for Mus: Remove OnTextInputModeChanged() from IME's mojo API.

We don't have an equivalent method in ui::InputMethod or its subclasses,
so this method cannot be used in a meaningful way.

BUG= 672587 

Review-Url: https://codereview.chromium.org/2629523009
Cr-Commit-Position: refs/heads/master@{#443700}

[modify] https://crrev.com/318867a70265ecb47c6dcbddacc153eaf34a99f9/chrome/browser/ui/views/ime_driver/input_method_bridge_chromeos.cc
[modify] https://crrev.com/318867a70265ecb47c6dcbddacc153eaf34a99f9/chrome/browser/ui/views/ime_driver/input_method_bridge_chromeos.h
[modify] https://crrev.com/318867a70265ecb47c6dcbddacc153eaf34a99f9/chrome/browser/ui/views/ime_driver/simple_input_method.cc
[modify] https://crrev.com/318867a70265ecb47c6dcbddacc153eaf34a99f9/chrome/browser/ui/views/ime_driver/simple_input_method.h
[modify] https://crrev.com/318867a70265ecb47c6dcbddacc153eaf34a99f9/services/ui/ime/test_ime_driver/test_ime_driver.cc
[modify] https://crrev.com/318867a70265ecb47c6dcbddacc153eaf34a99f9/services/ui/public/interfaces/ime/ime.mojom

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/b69ccf6f92a78f8dc097466d8132b7ccfd000950

commit b69ccf6f92a78f8dc097466d8132b7ccfd000950
Author: moshayedi <moshayedi@chromium.org>
Date: Thu Apr 27 15:31:23 2017

IME for Mus: Structs and StructTraits for IME Candidate Window.

This CL adds ui.mojom.CandidateWindowProperties and
ui.mojom.CandidateWindowEntry and corresponding struct traits.

BUG= 637416 ,  672587 

Review-Url: https://codereview.chromium.org/2839243002
Cr-Commit-Position: refs/heads/master@{#467686}

[modify] https://crrev.com/b69ccf6f92a78f8dc097466d8132b7ccfd000950/services/ui/public/interfaces/ime/OWNERS
[modify] https://crrev.com/b69ccf6f92a78f8dc097466d8132b7ccfd000950/services/ui/public/interfaces/ime/ime.mojom
[modify] https://crrev.com/b69ccf6f92a78f8dc097466d8132b7ccfd000950/services/ui/public/interfaces/ime/ime.typemap
[modify] https://crrev.com/b69ccf6f92a78f8dc097466d8132b7ccfd000950/services/ui/public/interfaces/ime/ime_struct_traits.cc
[modify] https://crrev.com/b69ccf6f92a78f8dc097466d8132b7ccfd000950/services/ui/public/interfaces/ime/ime_struct_traits.h
[modify] https://crrev.com/b69ccf6f92a78f8dc097466d8132b7ccfd000950/services/ui/public/interfaces/ime/ime_struct_traits_unittest.cc

Closing as basic IME works. Will file new issue if mojo interface needs to be updated.