Allows observers to be notified when layer animations complete.

ui/gfx/compositor/test_layer_animation_observer.cc

+// Copyright (c) 2011 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/gfx/compositor/test_layer_animation_observer.h"
+
+#include <cstddef>

[sky, 2011/10/28 22:11:38]

Is this include really needed?

+
+namespace ui {
+
+TestLayerAnimationObserver::TestLayerAnimationObserver()
+    : last_ended_sequence_(NULL),
+      last_scheduled_sequence_(NULL),
+      last_aborted_sequence_(NULL) {
+}
+
+TestLayerAnimationObserver::~TestLayerAnimationObserver() {
+}
+
+void TestLayerAnimationObserver::OnLayerAnimationEnded(
+    const LayerAnimationSequence* sequence) {
+  last_ended_sequence_ = sequence;
+}
+
+void TestLayerAnimationObserver::OnLayerAnimationScheduled(
+    const LayerAnimationSequence* sequence) {
+  last_scheduled_sequence_ = sequence;
+}
+
+void TestLayerAnimationObserver::OnLayerAnimationAborted(
+    const LayerAnimationSequence* sequence) {
+  last_aborted_sequence_ = sequence;
+}
+
+}  // namespace ui