It is time.

ui/accessibility/platform/ax_platform_node.cc

Index: ui/accessibility/platform/ax_platform_node.cc
diff --git a/ui/accessibility/platform/ax_platform_node.cc b/ui/accessibility/platform/ax_platform_node.cc
deleted file mode 100644
index 37b8ef41922ebd092c2980e676f20572b86cbc7f..0000000000000000000000000000000000000000
--- a/ui/accessibility/platform/ax_platform_node.cc
+++ /dev/null
@@ -1,25 +0,0 @@
-// Copyright 2014 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/accessibility/platform/ax_platform_node.h"
-
-#include "ui/accessibility/ax_node_data.h"
-#include "ui/accessibility/platform/ax_platform_node_delegate.h"
-
-namespace ui {
-
-#if !defined(OS_MACOSX)
-// static
-AXPlatformNode* AXPlatformNode::Create(AXPlatformNodeDelegate* delegate) {
-  return NULL;
-}
-#endif
-
-AXPlatformNode::AXPlatformNode() {
-}
-
-AXPlatformNode::~AXPlatformNode() {
-}
-
-}  // namespace ui