[animation-worklet] Implement registerAnimator in worklet scope

third_party/WebKit/Source/modules/compositorworker/AnimationWorkletGlobalScope.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 AnimationWorkletGlobalScope_h
 #define AnimationWorkletGlobalScope_h
 
+#include "bindings/core/v8/ScriptValue.h"
 #include "core/workers/ThreadedWorkletGlobalScope.h"
+#include "modules/compositorworker/Animator.h"
+#include "modules/compositorworker/AnimatorDefinition.h"
 
 namespace blink {
 
+class ExceptionState;
+
 class AnimationWorkletGlobalScope : public ThreadedWorkletGlobalScope {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static AnimationWorkletGlobalScope* Create(const KURL&,
                                              const String& user_agent,
                                              PassRefPtr<SecurityOrigin>,
                                              v8::Isolate*,
                                              WorkerThread*);
   ~AnimationWorkletGlobalScope() override;
+  DECLARE_TRACE();
+
+  void Dispose() final;
+
+  void registerAnimator(const String& name,
+                        const ScriptValue& ctorValue,
+                        ExceptionState&);
+
+  Animator* CreateInstance(const String& name);
 
  private:
   AnimationWorkletGlobalScope(const KURL&,
                               const String& user_agent,
                               PassRefPtr<SecurityOrigin>,
                               v8::Isolate*,
                               WorkerThread*);
+
+  typedef HeapHashMap<String, Member<AnimatorDefinition>> DefinitionMap;
+  DefinitionMap m_animatorDefinitions;
+
+  typedef HeapVector<Member<Animator>> AnimatorList;
+  AnimatorList m_animators;
 };
 
 }  // namespace blink
 
 #endif  // AnimationWorkletGlobalScope_h