Added primary input devices setting to blink to allow media queries for hover/pointer

Source/WebCore/testing/InternalSettings.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 108 matching lines @@
     void setDialogElementEnabled(bool, ExceptionCode&);
     void setShouldDisplayTrackKind(const String& kind, bool enabled, ExceptionCode&);
     bool shouldDisplayTrackKind(const String& kind, ExceptionCode&);
     void setStorageBlockingPolicy(const String&, ExceptionCode&);
     void setLangAttributeAwareFormControlUIEnabled(bool);
     void setImagesEnabled(bool enabled, ExceptionCode&);
     void setMinimumTimerInterval(double intervalInSeconds, ExceptionCode&);
     void setDefaultVideoPosterURL(const String& url, ExceptionCode&);
     void setTimeWithoutMouseMovementBeforeHidingControls(double time, ExceptionCode&);
     void setUseLegacyBackgroundSizeShorthandBehavior(bool enabled, ExceptionCode&);
+    void setPrimaryPointerDevices(const String&, ExceptionCode&);
 
 private:
     explicit InternalSettings(Page*);
 
     Settings* settings() const;
     Page* page() const { return m_page; }
     static const char* supplementName();
 
     Page* m_page;
     Backup m_backup;
 };
 
 } // namespace WebCore
 
 #endif