IME (input method editor) support for Aura, part 3 of 3: Use ui::InputMethod in ash.

ui/aura/client/aura_constants.h

Index: ui/aura/client/aura_constants.h
diff --git a/ui/aura/client/aura_constants.h b/ui/aura/client/aura_constants.h
index f5f292070c5839df59a8c6c252c8db7ebc97e6fa..c43b2eb75bad9a549daea2f7328144fd7ab917d8 100644
--- a/ui/aura/client/aura_constants.h
+++ b/ui/aura/client/aura_constants.h
@@ -46,6 +46,10 @@ AURA_EXPORT extern const char kRootWindowActiveWindow[];
 // the value is |aura::ActivationClient*|.
 AURA_EXPORT extern const char kRootWindowActivationClient[];
 
+// A property key to store an input method object that handles a key event. The
+// type of the value is |ui::InputMethod*|.
+AURA_EXPORT extern const char kRootWindowInputMethod[];
+
 // A property key for a value from aura::ShadowType describing the drop shadow
 // that should be displayed under the window.  If unset, no shadow is displayed.
 AURA_EXPORT extern const char kShadowTypeKey[];