Make the virtual keyboard show up on the display with input focus.

ash/mus/keyboard_ui_mus.cc

Index: ash/mus/keyboard_ui_mus.cc
diff --git a/ash/mus/keyboard_ui_mus.cc b/ash/mus/keyboard_ui_mus.cc
index e9d9c20fad8eeb4d1c3f48d516444b25d4a276e2..77672db0e42582b422c36f2ed6b29fe49a4c7ad7 100644
--- a/ash/mus/keyboard_ui_mus.cc
+++ b/ash/mus/keyboard_ui_mus.cc
@@ -35,6 +35,11 @@ void KeyboardUIMus::Show() {
   keyboard_->Show();
 }
 
+void KeyboardUIMus::ShowInSpecificDisplay(int64_t display_id) {
+  // TODO(yhanada): Send display id

[oshima, 2016/11/08 17:26:04]

can you file a bug and add reference to it?

[yhanada, 2016/11/14 22:48:47]

This TODO depends on the TODO in keyboard.mojom:L18. I added a reference to
crbug.com/585253 which is for it.

+  keyboard_->Show();
+}
+
 bool KeyboardUIMus::IsEnabled() {
   return is_enabled_;
 }