[Presentation API] Adds UseCounters for origin types.

third_party/WebKit/Source/modules/presentation/PresentationReceiver.h

 // Copyright 2015 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 PresentationReceiver_h
 #define PresentationReceiver_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseProperty.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ContextLifecycleObserver.h"
 #include "core/dom/DOMException.h"
 #include "modules/ModulesExport.h"
 #include "platform/heap/Handle.h"
 #include "platform/heap/Heap.h"
 #include "public/platform/modules/presentation/WebPresentationReceiver.h"
 
 namespace blink {
 
+class Document;
 class PresentationConnection;
 class PresentationConnectionList;
 class WebPresentationClient;
 
 // Implements the PresentationReceiver interface from the Presentation API from
 // which websites can implement the receiving side of a presentation session.
 class MODULES_EXPORT PresentationReceiver final
     : public GarbageCollectedFinalized<PresentationReceiver>,
       public ScriptWrappable,
       public ContextClient,
@@ skipping 15 matching lines @@
   // Implementation of WebPresentationController.
   WebPresentationConnection* onReceiverConnectionAvailable(
       const WebPresentationSessionInfo&) override;
   void registerConnection(PresentationConnection*);
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   friend class PresentationReceiverTest;
 
+  void recordOriginTypeAccess(Document*) const;
+
   Member<ConnectionListProperty> m_connectionListProperty;
   Member<PresentationConnectionList> m_connectionList;
 };
 
 }  // namespace blink
 
 #endif  // PresentationReceiver_h