It is time.

ui/wm/test/wm_test_helper.cc

Index: ui/wm/test/wm_test_helper.cc
diff --git a/ui/wm/test/wm_test_helper.cc b/ui/wm/test/wm_test_helper.cc
deleted file mode 100644
index c74ddfe7f1805e1665b953dbf2b61102309d8fb9..0000000000000000000000000000000000000000
--- a/ui/wm/test/wm_test_helper.cc
+++ /dev/null
@@ -1,52 +0,0 @@
-// Copyright 2013 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/wm/test/wm_test_helper.h"
-
-#include "ui/aura/client/default_capture_client.h"
-#include "ui/aura/env.h"
-#include "ui/aura/test/test_focus_client.h"
-#include "ui/aura/window.h"
-#include "ui/wm/core/compound_event_filter.h"
-#include "ui/wm/core/default_activation_client.h"
-#include "ui/wm/core/input_method_event_filter.h"
-
-namespace wm {
-
-WMTestHelper::WMTestHelper(const gfx::Size& default_window_size,
-                           ui::ContextFactory* context_factory) {
-  aura::Env::CreateInstance(true);
-  aura::Env::GetInstance()->set_context_factory(context_factory);
-  host_.reset(aura::WindowTreeHost::Create(gfx::Rect(default_window_size)));
-  host_->InitHost();
-  aura::client::SetWindowTreeClient(host_->window(), this);
-
-  focus_client_.reset(new aura::test::TestFocusClient);
-  aura::client::SetFocusClient(host_->window(), focus_client_.get());
-
-  root_window_event_filter_.reset(new wm::CompoundEventFilter);
-  host_->window()->AddPreTargetHandler(root_window_event_filter_.get());
-
-  input_method_filter_.reset(new wm::InputMethodEventFilter(
-      host_->GetAcceleratedWidget()));
-  input_method_filter_->SetInputMethodPropertyInRootWindow(host_->window());
-  root_window_event_filter_->AddHandler(input_method_filter_.get());
-
-  new wm::DefaultActivationClient(host_->window());
-
-  capture_client_.reset(
-      new aura::client::DefaultCaptureClient(host_->window()));
-}
-
-WMTestHelper::~WMTestHelper() {
-  root_window_event_filter_->RemoveHandler(input_method_filter_.get());
-}
-
-aura::Window* WMTestHelper::GetDefaultParent(aura::Window* context,
-                                             aura::Window* window,
-                                             const gfx::Rect& bounds) {
-  return host_->window();
-}
-
-}  // namespace wm