Remove Owner param to EventFilter's ctor.

ash/app_list/app_list.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/app_list/app_list.h"
 
 #include "ash/app_list/app_list_model.h"
 #include "ash/app_list/app_list_view.h"
 #include "ash/ash_switches.h"
 #include "ash/shell_delegate.h"
@@ skipping 28 matching lines @@
 
 ui::Layer* GetLayer(views::Widget* widget) {
   return widget->GetNativeView()->layer();
 }
 
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
 // AppList, public:
 
-AppList::AppList()
-    : aura::EventFilter(NULL),
-      is_visible_(false),
-      widget_(NULL) {
+AppList::AppList() : is_visible_(false), widget_(NULL) {
 }
 
 AppList::~AppList() {
   ResetWidget();
 }
 
 void AppList::SetVisible(bool visible) {
   if (visible == is_visible_)
     return;
 
@@ skipping 126 matching lines @@
 }
 
 void AppList::OnWidgetActivationChanged(views::Widget* widget, bool active) {
   DCHECK(widget_ == widget);
   if (widget_ && is_visible_ && !active)
     SetVisible(false);
 }
 
 }  // namespace internal
 }  // namespace ash