[worklets] Add stub classes for window.animationWorklet

third_party/WebKit/Source/modules/worklet/ThreadedWorkletGlobalScopeProxy.h

Index: third_party/WebKit/Source/modules/worklet/ThreadedWorkletGlobalScopeProxy.h
diff --git a/third_party/WebKit/public/web/modules/webmidi/WebMIDIOptions.h b/third_party/WebKit/Source/modules/worklet/ThreadedWorkletGlobalScopeProxy.h
similarity index 32%
copy from third_party/WebKit/public/web/modules/webmidi/WebMIDIOptions.h
copy to third_party/WebKit/Source/modules/worklet/ThreadedWorkletGlobalScopeProxy.h
index 6fce9256a167db632da6f952d8bea454ed09d743..e8d5d0e5ee5bd94828d5c26a500dda2e8a9076b9 100644
--- a/third_party/WebKit/public/web/modules/webmidi/WebMIDIOptions.h
+++ b/third_party/WebKit/Source/modules/worklet/ThreadedWorkletGlobalScopeProxy.h
@@ -2,23 +2,26 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef WebMIDIOptions_h
-#define WebMIDIOptions_h
+#ifndef ThreadedWorkletGlobalScopeProxy_h
+#define ThreadedWorkletGlobalScopeProxy_h
 
-namespace blink {
+#include "core/workers/WorkletGlobalScopeProxy.h"
 
-struct WebMIDIOptions {
-    enum class SysexPermission { WithSysex, WithoutSysex };
+namespace blink {
 
-    explicit WebMIDIOptions(SysexPermission sysex)
-        : sysex(sysex)
+class ThreadedWorkletGlobalScopeProxy : public WorkletGlobalScopeProxy {
+public:
+    void evaluateScript(const String& source, const KURL& scriptURL) final
     {
+        // TODO(ikilpatrick): implement.
     }
 
-    const SysexPermission sysex;
-    // TODO(crbug.com/502127): Add bool software to follow the latest spec.
+    void terminateWorkletGlobalScope() final
+    {
+        // TODO(ikilpatrick): implement.
+    }
 };
 
 } // namespace blink
 
-#endif // WebMIDIOptions_h
+#endif // ThreadedWorkletGlobalScopeProxy_h