[Presentation API] Adds UseCounters for origin types.

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

 // 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.
 
 #include "modules/presentation/PresentationReceiver.h"
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/frame/LocalFrame.h"
+#include "core/frame/UseCounter.h"
 #include "modules/presentation/PresentationConnection.h"
 #include "modules/presentation/PresentationConnectionList.h"
 #include "public/platform/modules/presentation/WebPresentationClient.h"
 
 namespace blink {
 
 PresentationReceiver::PresentationReceiver(LocalFrame* frame,
                                            WebPresentationClient* client)
     : ContextClient(frame) {
+  recordOriginTypeAccess(frame->document());
   m_connectionList = new PresentationConnectionList(frame->document());
 
   if (client)
     client->setReceiver(this);
 }
 
 ScriptPromise PresentationReceiver::connectionList(ScriptState* scriptState) {
   if (!m_connectionListProperty)
     m_connectionListProperty =
         new ConnectionListProperty(scriptState->getExecutionContext(), this,
@@ skipping 26 matching lines @@
 
   return connection;
 }
 
 void PresentationReceiver::registerConnection(
     PresentationConnection* connection) {
   DCHECK(m_connectionList);
   m_connectionList->addConnection(connection);
 }
 
+void PresentationReceiver::recordOriginTypeAccess(Document* document) const {
+  DCHECK(document);
+  if (document->isSecureContext()) {
+    UseCounter::count(document, UseCounter::PresentationReceiverSecureOrigin);
+  } else {
+    UseCounter::count(document, UseCounter::PresentationReceiverInsecureOrigin);
+  }
+}
+
 DEFINE_TRACE(PresentationReceiver) {
   visitor->trace(m_connectionList);
   visitor->trace(m_connectionListProperty);
   ContextClient::trace(visitor);
 }
 
 }  // namespace blink