Added ui::test::MultiLayerAnimatorTestController and Delegate.

ui/compositor/test/multi_layer_animator_test_controller.h

+// Copyright 2016 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_COMPOSITOR_TEST_MULTI_LAYER_ANIMATOR_TEST_CONTROLLER_H_
+#define UI_COMPOSITOR_TEST_MULTI_LAYER_ANIMATOR_TEST_CONTROLLER_H_
+
+#include <vector>
+
+#include "base/macros.h"
+#include "base/time/time.h"
+
+namespace ui {
+class LayerAnimator;
+
+namespace test {
+class MultiLayerAnimatorTestControllerDelegate;
+
+// Test API class to control multiple LayerAnimators.
+class MultiLayerAnimatorTestController {
+ public:
+  explicit MultiLayerAnimatorTestController(
+      MultiLayerAnimatorTestControllerDelegate* delegate);
+  virtual ~MultiLayerAnimatorTestController();
+
+  // Disables the animation timers when |disable_timers| is true.
+  void SetDisableAnimationTimers(bool disable_timers);
+
+  // Returns true if any animations are active.
+  bool HasActiveAnimations() const;
+
+  // Completes all running animations.
+  void CompleteAnimations();
+
+ private:
+  // Get a list of all the LayerAnimator's used.  Delegates to |delegate_|.
+  std::vector<LayerAnimator*> GetLayerAnimators();
+  std::vector<LayerAnimator*> GetLayerAnimators() const;
+
+  // Progresses all running LayerAnimationSequences by the given |duration|.
+  //
+  // NOTE: This function will NOT progress LayerAnimationSequences that are
+  // queued, only the running ones will be progressed.
+  void StepAnimations(const base::TimeDelta& duration);
+
+  MultiLayerAnimatorTestControllerDelegate* delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(MultiLayerAnimatorTestController);
+};
+
+}  // namespace test
+}  // namespace ui
+
+#endif  // UI_COMPOSITOR_TEST_MULTI_LAYER_ANIMATOR_TEST_CONTROLLER_H_