Worker: Avoid sending IPC messages for features already counted

third_party/WebKit/Source/core/workers/MainThreadWorkletGlobalScope.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 MainThreadWorkletGlobalScope_h
 #define MainThreadWorkletGlobalScope_h
 
 #include "core/CoreExport.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/ExecutionContext.h"
@@ skipping 16 matching lines @@
  public:
   MainThreadWorkletGlobalScope(LocalFrame*,
                                const KURL&,
                                const String& user_agent,
                                PassRefPtr<SecurityOrigin>,
                                v8::Isolate*);
   ~MainThreadWorkletGlobalScope() override;
   bool IsMainThreadWorkletGlobalScope() const final { return true; }
 
   // WorkerOrWorkletGlobalScope
-  void CountFeature(UseCounter::Feature) final;
-  void CountDeprecation(UseCounter::Feature) final;
+  void ReportFeature(UseCounter::Feature) override;
+  void ReportDeprecation(UseCounter::Feature) override;
   WorkerThread* GetThread() const final;
 
   void FetchAndInvokeScript(const KURL& module_url_record,
                             WorkletPendingTasks*);
   void Terminate();
 
   // WorkletScriptLoader::Client
   void NotifyWorkletScriptLoadingFinished(WorkletScriptLoader*,
                                           const ScriptSourceCode&) final;
 
@@ skipping 11 matching lines @@
 
 DEFINE_TYPE_CASTS(MainThreadWorkletGlobalScope,
                   ExecutionContext,
                   context,
                   context->IsMainThreadWorkletGlobalScope(),
                   context.IsMainThreadWorkletGlobalScope());
 
 }  // namespace blink
 
 #endif  // MainThreadWorkletGlobalScope_h