Hide handwriting and voice buttons when keyboard is in restricted state

ash/system/ime_menu/ime_menu_tray.h

Index: ash/system/ime_menu/ime_menu_tray.h
diff --git a/ash/system/ime_menu/ime_menu_tray.h b/ash/system/ime_menu/ime_menu_tray.h
index 27351b6c4f6c8368bad60fe3d1eb6d37528f8e92..93c3d499d2dee1d236c08990cdbbfd50a0de4a93 100644
--- a/ash/system/ime_menu/ime_menu_tray.h
+++ b/ash/system/ime_menu/ime_menu_tray.h
@@ -52,7 +52,9 @@ class ASH_EXPORT ImeMenuTray : public TrayBackgroundView,
   // Returns true if the menu should show emoji, handwriting and voice buttons
   // on the bottom. Otherwise, the menu will show a 'Customize...' bottom row
   // for non-MD UI, and a Settings button in the title row for MD.
-  bool ShouldShowEmojiHandwritingVoiceButtons() const;
+  bool ShouldShowBottomButtons(bool& emoji,

[James Cook, 2017/06/26 17:21:19]

nit: out parameters should be bool*

[Azure Wei, 2017/06/27 14:27:14]

Done.

+                               bool& handwriting,
+                               bool& voice) const;
 
   // Returns whether the virtual keyboard toggle should be shown in shown in the
   // opt-in IME menu.