Worker: Avoid sending IPC messages for features already counted

third_party/WebKit/Source/core/workers/WorkerGlobalScope.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009, 2011 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 94 matching lines @@
     listeners.swap(event_listeners_);
   }
   RemoveAllEventListeners();
 
   script_controller_->Dispose();
   script_controller_.Clear();
   event_queue_->Close();
   thread_ = nullptr;
 }
 
-void WorkerGlobalScope::CountFeature(UseCounter::Feature feature) {
+void WorkerGlobalScope::ReportFeature(UseCounter::Feature feature) {
   DCHECK(IsContextThread());
   DCHECK(thread_);
   thread_->GetWorkerReportingProxy().CountFeature(feature);
 }
 
-void WorkerGlobalScope::CountDeprecation(UseCounter::Feature feature) {
+void WorkerGlobalScope::ReportDeprecation(UseCounter::Feature feature) {
   DCHECK(IsContextThread());
   DCHECK(thread_);
-  AddDeprecationMessage(feature);
   thread_->GetWorkerReportingProxy().CountDeprecation(feature);
 }
 
 void WorkerGlobalScope::ExceptionUnhandled(int exception_id) {
   ErrorEvent* event = pending_error_events_.Take(exception_id);
   DCHECK(event);
   if (WorkerThreadDebugger* debugger =
           WorkerThreadDebugger::From(GetThread()->GetIsolate()))
     debugger->ExceptionThrown(thread_, event);
 }
@@ skipping 257 matching lines @@
   visitor->Trace(event_listeners_);
   visitor->Trace(pending_error_events_);
   visitor->Trace(fetch_context_);
   ExecutionContext::Trace(visitor);
   EventTargetWithInlineData::Trace(visitor);
   SecurityContext::Trace(visitor);
   Supplementable<WorkerGlobalScope>::Trace(visitor);
 }
 
 }  // namespace blink