Delay virtual keyboard hiding for 100ms

ui/keyboard/keyboard_controller.h

Index: ui/keyboard/keyboard_controller.h
diff --git a/ui/keyboard/keyboard_controller.h b/ui/keyboard/keyboard_controller.h
index 6022339c38072319d4dbf48a976b3d6904df8c3e..31f57defbb455f40cb0b09f6008236d92f90afb7 100644
--- a/ui/keyboard/keyboard_controller.h
+++ b/ui/keyboard/keyboard_controller.h
@@ -61,9 +61,18 @@ class KEYBOARD_EXPORT KeyboardController : public ui::InputMethodObserver,
   virtual void OnInputMethodDestroyed(
       const ui::InputMethod* input_method) OVERRIDE;
 
+  // Hides virtual keyboard and notifies observer bounds change.
+  // This functions should be called with a delay to avoid layout flicker
+  // when the focus of input field quickly change.
+  void HideKeyboard();
+
+  bool WillHideKeyboard();

[sadrul, 2013/08/29 23:43:54]

make this const

[bshe, 2013/08/30 15:54:19]

Done.

+
   scoped_ptr<KeyboardControllerProxy> proxy_;
   aura::Window* container_;
   ui::InputMethod* input_method_;
+  bool keyboard_visible_;
+  base::WeakPtrFactory<KeyboardController> weak_factory_;
 
   ObserverList<KeyboardControllerObserver> observer_list_;