Reland: Implement Aura side of unified touch text selection for contents

ui/touch_selection/touch_selection_controller_test_api.cc

+// Copyright 2015 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/touch_selection/touch_selection_controller_test_api.h"
+
+namespace ui {
+
+TouchSelectionControllerTestApi::TouchSelectionControllerTestApi(
+    TouchSelectionController* controller)
+    : controller_(controller) {}
+
+TouchSelectionControllerTestApi::~TouchSelectionControllerTestApi() {}
+
+bool TouchSelectionControllerTestApi::GetStartVisible() const {
+  return controller_->GetStartVisible();
+}
+
+bool TouchSelectionControllerTestApi::GetEndVisible() const {
+  return controller_->GetEndVisible();
+}
+
+}  // namespace ui