Keeps the opt-in IME menu in lock screen.

chrome/browser/chromeos/input_method/input_method_manager_impl.h

Index: chrome/browser/chromeos/input_method/input_method_manager_impl.h
diff --git a/chrome/browser/chromeos/input_method/input_method_manager_impl.h b/chrome/browser/chromeos/input_method/input_method_manager_impl.h
index 64d16a9673070cd76232d3768f0ec6e6e995c185..0a4eff396bb7942e60dec551579189c664a6f4f0 100644
--- a/chrome/browser/chromeos/input_method/input_method_manager_impl.h
+++ b/chrome/browser/chromeos/input_method/input_method_manager_impl.h
@@ -171,6 +171,7 @@ class InputMethodManagerImpl : public InputMethodManager,
   void NotifyImeMenuItemsChanged(
       const std::string& engine_id,
       const std::vector<InputMethodManager::MenuItem>& items) override;
+  bool GetImeMenuActivation(Profile* profile) override;
 
   // chromeos::UserAddingScreen:
   void OnUserAddingStarted() override;
@@ -292,6 +293,9 @@ class InputMethodManagerImpl : public InputMethodManager,
   typedef std::map<Profile*, EngineMap, ProfileCompare> ProfileEngineMap;
   ProfileEngineMap engine_map_;
 
+  // The opt-in IME menu activation state of each profile.
+  std::map<Profile*, bool> menu_map_;

[stevenjb, 2016/08/26 17:15:02]

This should be named something like 'menu_activated_for_profile_'.

[Azure Wei, 2016/08/26 21:59:59]

Done.

+
   DISALLOW_COPY_AND_ASSIGN(InputMethodManagerImpl);
 };