Initial implementation of WorkletAnimation

third_party/WebKit/Source/core/animation/WorkletAnimationController.cpp

Index: third_party/WebKit/Source/core/animation/WorkletAnimationController.cpp
diff --git a/third_party/WebKit/Source/core/animation/WorkletAnimationController.cpp b/third_party/WebKit/Source/core/animation/WorkletAnimationController.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..e943d3e1f459bd43255034d756e2c733d31ef83f
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+++ b/third_party/WebKit/Source/core/animation/WorkletAnimationController.cpp
@@ -0,0 +1,35 @@
+// Copyright 2017 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 "core/animation/WorkletAnimationController.h"
+
+#include "core/animation/WorkletAnimationBase.h"
+
+namespace blink {
+
+WorkletAnimationController::WorkletAnimationController() {}
+
+WorkletAnimationController::~WorkletAnimationController() {}
+
+void WorkletAnimationController::RegisterAnimation(
+    WorkletAnimationBase* animation) {
+  animations_.insert(animation);
+}
+
+void WorkletAnimationController::DeregisterAnimation(
+    WorkletAnimationBase* animation) {
+  animations_.erase(animation);
+}
+
+void WorkletAnimationController::Update() {
+  for (const auto& animation : animations_) {
+    animation->Update();
+  }
+}
+
+DEFINE_TRACE(WorkletAnimationController) {
+  visitor->Trace(animations_);
+}
+
+}  // namespace