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

ui/touch_selection/touch_selection_controller_test_api.h

+// 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.
+
+#ifndef UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_TEST_API_H_
+#define UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_TEST_API_H_
+
+#include "ui/touch_selection/touch_selection_controller.h"
+
+namespace ui {
+
+// Test api class to access internals of |ui::TouchSelectionController| in
+// tests.
+class TouchSelectionControllerTestApi {
+ public:
+  explicit TouchSelectionControllerTestApi(
+      TouchSelectionController* controller);
+  ~TouchSelectionControllerTestApi();
+
+  bool GetStartVisible() const;
+  bool GetEndVisible() const;
+
+  bool temporarily_hidden() const { return controller_->temporarily_hidden_; }
+
+ private:
+  TouchSelectionController* const controller_;
+
+  DISALLOW_COPY_AND_ASSIGN(TouchSelectionControllerTestApi);
+};
+
+}  // namespace ui
+
+#endif  // UI_TOUCH_SELECTION_TOUCH_SELECTION_CONTROLLER_TEST_API_H_