It is time.

ui/views/controls/native/native_view_host_test_base.h

Index: ui/views/controls/native/native_view_host_test_base.h
diff --git a/ui/views/controls/native/native_view_host_test_base.h b/ui/views/controls/native/native_view_host_test_base.h
deleted file mode 100644
index ce98fb46e6642247dc02034635c6cd72f19d6819..0000000000000000000000000000000000000000
--- a/ui/views/controls/native/native_view_host_test_base.h
+++ /dev/null
@@ -1,62 +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 "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "ui/views/test/views_test_base.h"
-
-namespace views {
-
-class NativeViewHost;
-class NativeViewHostWrapper;
-class Widget;
-
-namespace test {
-
-// Base class for NativeViewHost tests on different platforms.
-class NativeViewHostTestBase : public ViewsTestBase {
- public:
-  NativeViewHostTestBase();
-  virtual ~NativeViewHostTestBase();
-
-  // Create the |toplevel_| widget.
-  void CreateTopLevel();
-
-  // Create a testing |host_| that tracks destructor calls.
-  void CreateTestingHost();
-
-  // The number of times a host created by CreateHost() has been destroyed.
-  int host_destroyed_count() { return host_destroyed_count_; }
-  void ResetHostDestroyedCount() { host_destroyed_count_ = 0; }
-
-  // Create a child widget whose native parent is |native_parent_view|, uses
-  // |contents_view|, and is attached to |host| which is added as a child to
-  // |parent_view|. This effectively borrows the native content view from a
-  // newly created child Widget, and attaches it to |host|.
-  Widget* CreateChildForHost(gfx::NativeView native_parent_view,
-                             View* parent_view,
-                             View* contents_view,
-                             NativeViewHost* host);
-
-  Widget* toplevel() { return toplevel_.get(); }
-  void DestroyTopLevel();
-
-  NativeViewHost* host() { return host_.get(); }
-  void DestroyHost();
-  NativeViewHost* ReleaseHost();
-
-  NativeViewHostWrapper* GetNativeWrapper();
-
- private:
-  class NativeViewHostTesting;
-
-  scoped_ptr<Widget> toplevel_;
-  scoped_ptr<NativeViewHost> host_;
-  int host_destroyed_count_;
-
-  DISALLOW_COPY_AND_ASSIGN(NativeViewHostTestBase);
-};
-
-}  // namespace test
-}  // namespace views