It is time.

ui/aura/client/event_client.cc

Index: ui/aura/client/event_client.cc
diff --git a/ui/aura/client/event_client.cc b/ui/aura/client/event_client.cc
deleted file mode 100644
index d6da07e4245897feb9cc5459f9bf385e40f8285d..0000000000000000000000000000000000000000
--- a/ui/aura/client/event_client.cc
+++ /dev/null
@@ -1,30 +0,0 @@
-// 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 "ui/aura/client/event_client.h"
-
-#include "ui/aura/window_event_dispatcher.h"
-#include "ui/aura/window_property.h"
-
-DECLARE_WINDOW_PROPERTY_TYPE(aura::client::EventClient*)
-
-namespace aura {
-namespace client {
-
-DEFINE_WINDOW_PROPERTY_KEY(EventClient*, kRootWindowEventClientKey, NULL);
-
-void SetEventClient(Window* root_window, EventClient* client) {
-  DCHECK_EQ(root_window->GetRootWindow(), root_window);
-  root_window->SetProperty(kRootWindowEventClientKey, client);
-}
-
-EventClient* GetEventClient(const Window* root_window) {
-  if (root_window)
-    DCHECK_EQ(root_window->GetRootWindow(), root_window);
-  return root_window ?
-      root_window->GetProperty(kRootWindowEventClientKey) : NULL;
-}
-
-}  // namespace client
-}  // namespace aura