Presentation API: add settings for presentation.receiver being exposed.

third_party/WebKit/Source/core/testing/InternalSettings.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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.
@@ skipping 510 matching lines @@
   settings()->setLogPreload(enabled);
 }
 
 void InternalSettings::setCompositorWorkerEnabled(
     bool enabled,
     ExceptionState& exceptionState) {
   InternalSettingsGuardForSettings();
   RuntimeEnabledFeatures::setCompositorWorkerEnabled(enabled);
 }
 
+void InternalSettings::setPresentationReceiver(bool enabled,
+                                               ExceptionState& exceptionState) {
+  InternalSettingsGuardForSettings();
+  settings()->setPresentationReceiver(enabled);
+}
+
 }  // namespace blink