Fix incorrect evaluation of resolution media queries

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 236 matching lines @@
     String counterValue(Element*);
 
     int pageNumber(Element*, float pageWidth = 800, float pageHeight = 600);
     Vector<String> shortcutIconURLs(Document*) const;
     Vector<String> allIconURLs(Document*) const;
 
     int numberOfPages(float pageWidthInPixels = 800, float pageHeightInPixels = 600);
     String pageProperty(String, int, ExceptionCode& = ASSERT_NO_EXCEPTION) const;
     String pageSizeAndMarginsInPixels(int, int, int, int, int, int, int, ExceptionCode& = ASSERT_NO_EXCEPTION) const;
 
+    void setDeviceScaleFactor(float scaleFactor, ExceptionCode&);
     void setPageScaleFactor(float scaleFactor, int x, int y, ExceptionCode&);
 
     void setIsCursorVisible(Document*, bool, ExceptionCode&);
 
     void webkitWillEnterFullScreenForElement(Document*, Element*);
     void webkitDidEnterFullScreenForElement(Document*, Element*);
     void webkitWillExitFullScreenForElement(Document*, Element*);
     void webkitDidExitFullScreenForElement(Document*, Element*);
 
     void registerURLSchemeAsBypassingContentSecurityPolicy(const String& scheme);
@@ skipping 35 matching lines @@
     Vector<String> iconURLs(Document*, int iconTypesMask) const;
 
     DocumentMarker* markerAt(Node*, const String& markerType, unsigned index, ExceptionCode&);
     RefPtr<DOMWindow> m_frontendWindow;
     OwnPtr<InspectorFrontendChannelDummy> m_frontendChannel;
 };
 
 } // namespace WebCore
 
 #endif