Move wm/public into wm target

ui/wm/test/wm_test_base.cc

+// 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/wm/test/wm_test_base.h"
+
+#include "ui/wm/test/wm_test_helper.h"
+
+namespace wm {
+
+////////////////////////////////////////////////////////////////////////////////
+// WMTestBase, public:
+
+WMTestBase::WMTestBase() {
+}
+
+WMTestBase::~WMTestBase() {
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// WMTestBase, aura::test::AuraTestBase overrides:
+
+aura::test::AuraTestHelper* WMTestBase::CreateHelper(
+      base::MessageLoopForUI* message_loop) {
+  // TODO(beng): clean up construction of these test helpers. |message_loop| in
+  // practice is always the same loop so we don't need to pass it thru.
+  return new WMTestHelper;
+}
+
+}  // namespace wm