Views: Fix keyboard input in linux_aura.

ui/views/ime/input_method_base.h

Index: ui/views/ime/input_method_base.h
diff --git a/ui/views/ime/input_method_base.h b/ui/views/ime/input_method_base.h
index 37e8a667cfa87d9a5d527cf91edb00b656311b4a..da454fb46eac9acdfad6368565d20688313482eb 100644
--- a/ui/views/ime/input_method_base.h
+++ b/ui/views/ime/input_method_base.h
@@ -45,9 +45,6 @@ class VIEWS_EXPORT InputMethodBase : public InputMethod,
   Widget* widget() const { return widget_; }
   View* GetFocusedView() const;
 
-  // Returns true only if a valid widget is attached and active.
-  bool IsWidgetActive() const;
-
   // Returns true only if the View is focused and its Widget is active.
   bool IsViewFocused(View* view) const;