Worker: Enable UseCounter for SharedWorkerGlobalScope

third_party/WebKit/public/web/WebSharedWorkerConnectListener.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 30 matching lines @@
   virtual ~WebSharedWorkerConnectListener() = default;
 
   // Called when a worker is created.
   virtual void workerCreated(WebWorkerCreationError) = 0;
 
   // Called when worker script load fails.
   virtual void scriptLoadFailed() = 0;
 
   // Called when a connection is established.
   virtual void connected() = 0;
+
+  // Called when some API to be recorded in UseCounter is called on the worker
+  // global scope.
+  virtual void countFeature(uint32_t) = 0;
 };
 
 }  // namespace blink
 
 #endif