[animation-worklet] Implement registerAnimator in worklet scope

third_party/WebKit/Source/modules/compositorworker/AnimationWorkletGlobalScope.h

Index: third_party/WebKit/Source/modules/compositorworker/AnimationWorkletGlobalScope.h
diff --git a/third_party/WebKit/Source/modules/compositorworker/AnimationWorkletGlobalScope.h b/third_party/WebKit/Source/modules/compositorworker/AnimationWorkletGlobalScope.h
index 3f7134d6ebcd09e62ebcadc03cb69c45b445b496..e9fabbd5886d4468209fc928f17e43109e612810 100644
--- a/third_party/WebKit/Source/modules/compositorworker/AnimationWorkletGlobalScope.h
+++ b/third_party/WebKit/Source/modules/compositorworker/AnimationWorkletGlobalScope.h
@@ -5,10 +5,15 @@
 #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();
 
@@ -19,6 +24,15 @@ class AnimationWorkletGlobalScope : public ThreadedWorkletGlobalScope {
                                              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&,
@@ -26,6 +40,12 @@ class AnimationWorkletGlobalScope : public ThreadedWorkletGlobalScope {
                               PassRefPtr<SecurityOrigin>,
                               v8::Isolate*,
                               WorkerThread*);
+
+  typedef HeapHashMap<String, Member<AnimatorDefinition>> DefinitionMap;
+  DefinitionMap m_animatorDefinitions;
+
+  typedef HeapVector<Member<Animator>> AnimatorList;
+  AnimatorList m_animators;
 };
 
 }  // namespace blink