Remove Owner param to EventFilter's ctor.

ash/wm/window_modality_controller.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/wm/window_modality_controller.h"
 
 #include "ash/wm/window_util.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/event.h"
 #include "ui/aura/window.h"
 #include "ui/base/ui_base_types.h"
 
 namespace ash {
 namespace internal {
 
 namespace {
 
 bool TransientChildIsWindowModal(aura::Window* window) {
   return window->GetIntProperty(aura::client::kModalKey) ==
       ui::MODAL_TYPE_WINDOW;
 }
 
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // WindowModalityController, public:
 
-WindowModalityController::WindowModalityController() : aura::EventFilter(NULL) {
+WindowModalityController::WindowModalityController() {
 }
 
 WindowModalityController::~WindowModalityController() {
 }
 
 aura::Window* WindowModalityController::GetWindowModalTransient(
     aura::Window* window) {
   if (!window)
     return NULL;
 
@@ skipping 35 matching lines @@
 
 ui::GestureStatus WindowModalityController::PreHandleGestureEvent(
     aura::Window* target,
     aura::GestureEvent* event) {
   // TODO: make gestures work with modals.
   return ui::GESTURE_STATUS_UNKNOWN;
 }
 
 }  // namespace internal
 }  // namespace ash