Remove Owner param to EventFilter's ctor.

ash/wm/window_cycle_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_cycle_controller.h"
 
 #include "ash/shell.h"
 #include "ash/shell_delegate.h"
 #include "ash/wm/window_cycle_list.h"
 #include "ash/wm/window_util.h"
@@ skipping 18 matching lines @@
   virtual ui::TouchStatus PreHandleTouchEvent(aura::Window* target,
                                               aura::TouchEvent* event) OVERRIDE;
   virtual ui::GestureStatus PreHandleGestureEvent(
       aura::Window* target,
       aura::GestureEvent* event) OVERRIDE;
  private:
   DISALLOW_COPY_AND_ASSIGN(WindowCycleEventFilter);
 };
 
 // Watch for all keyboard events by filtering the root window.
-WindowCycleEventFilter::WindowCycleEventFilter()
-    : aura::EventFilter(aura::RootWindow::GetInstance()) {
+WindowCycleEventFilter::WindowCycleEventFilter() {
 }
 
 WindowCycleEventFilter::~WindowCycleEventFilter() {
 }
 
 bool WindowCycleEventFilter::PreHandleKeyEvent(
     aura::Window* target,
     aura::KeyEvent* event) {
   // Views uses VKEY_MENU for both left and right Alt keys.
   if (event->key_code() == ui::VKEY_MENU &&
@@ skipping 95 matching lines @@
     event_filter_.reset();
   }
 }
 
 void WindowCycleController::InstallEventFilter() {
   event_filter_.reset(new WindowCycleEventFilter());
   Shell::GetInstance()->AddRootWindowEventFilter(event_filter_.get());
 }
 
 }  // namespace ash