New media playback UI.

Source/core/testing/Internals.h

 /*
  * 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 248 matching lines @@
     void setDeviceScaleFactor(float scaleFactor, ExceptionState&);
     void setPageScaleFactor(float scaleFactor, ExceptionState&);
     void setPageScaleFactorLimits(float minScaleFactor, float maxScaleFactor, ExceptionState&);
 
     void setIsCursorVisible(Document*, bool, ExceptionState&);
 
     double effectiveMediaVolume(HTMLMediaElement*);
 
     void mediaPlayerRemoteRouteAvailabilityChanged(HTMLMediaElement*, bool);
     void mediaPlayerPlayingRemotelyChanged(HTMLMediaElement*, bool);
+    void setAllowHiddenVolumeControls(HTMLMediaElement*, bool);
 
     void registerURLSchemeAsBypassingContentSecurityPolicy(const String& scheme);
     void registerURLSchemeAsBypassingContentSecurityPolicy(const String& scheme, const Vector<String>& policyAreas);
     void removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(const String& scheme);
 
     TypeConversions* typeConversions() const;
     PrivateScriptTest* privateScriptTest() const;
     DictionaryTest* dictionaryTest() const;
     UnionTypesTest* unionTypesTest() const;
 
@@ skipping 104 matching lines @@
 
     DocumentMarker* markerAt(Node*, const String& markerType, unsigned index, ExceptionState&);
     Member<InternalRuntimeFlags> m_runtimeFlags;
 
     IterationSource* startIteration(ScriptState*, ExceptionState&) override;
 };
 
 } // namespace blink
 
 #endif // Internals_h