Refactoring the ownership of ui::InputMethod.

ash/shell.h

Index: ash/shell.h
diff --git a/ash/shell.h b/ash/shell.h
index cb46540be67024994d76283a444bec82bd950b68..05b7e20f5d49746b985a496fe06c2c0b6a05bd30 100644
--- a/ash/shell.h
+++ b/ash/shell.h
@@ -65,7 +65,6 @@ class TooltipController;
 namespace wm {
 class AcceleratorFilter;
 class CompoundEventFilter;
-class InputMethodEventFilter;
 class NestedAcceleratorController;
 class ShadowController;
 class VisibilityController;
@@ -346,9 +345,6 @@ class ASH_EXPORT Shell : public SystemModalContainerEventFilterDelegate,
   }
 
   DisplayManager* display_manager() { return display_manager_.get(); }
-  ::wm::InputMethodEventFilter* input_method_filter() {
-    return input_method_filter_.get();
-  }
   ::wm::CompoundEventFilter* env_filter() {
     return env_filter_.get();
   }
@@ -704,9 +700,6 @@ class ASH_EXPORT Shell : public SystemModalContainerEventFilterDelegate,
   // An event filter that pre-handles global accelerators.
   scoped_ptr< ::wm::AcceleratorFilter> accelerator_filter_;
 
-  // An event filter that pre-handles all key events to send them to an IME.
-  scoped_ptr< ::wm::InputMethodEventFilter> input_method_filter_;
-
   scoped_ptr<DisplayManager> display_manager_;
 
   scoped_ptr<LocaleNotificationController> locale_notification_controller_;