Remove support for -webkit-color-correction (which we've never supported on

Source/core/platform/ScrollbarTheme.h

 /*
  * Copyright (C) 2008 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.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 66 matching lines @@
             invalidatePart(scrollbar, ForwardTrackPart);
         if (mask & BackButtonEndPart)
             invalidatePart(scrollbar, BackButtonEndPart);
         if (mask & ForwardButtonEndPart)
             invalidatePart(scrollbar, ForwardButtonEndPart);
     }
 
     virtual void invalidatePart(ScrollbarThemeClient*, ScrollbarPart) { }
 
     virtual void paintScrollCorner(ScrollView*, GraphicsContext* context, const IntRect& cornerRect) { defaultPaintScrollCorner(context, cornerRect); }
-    static void defaultPaintScrollCorner(GraphicsContext* context, const IntRect& cornerRect) { context->fillRect(cornerRect, Color::white, ColorSpaceDeviceRGB); }
+    static void defaultPaintScrollCorner(GraphicsContext* context, const IntRect& cornerRect) { context->fillRect(cornerRect, Color::white); }
 
     virtual void paintTickmarks(GraphicsContext*, ScrollbarThemeClient*, const IntRect&) { }
     virtual void paintOverhangAreas(ScrollView*, GraphicsContext*, const IntRect&, const IntRect&, const IntRect&) { }
 
 #if ENABLE(RUBBER_BANDING)
     virtual void setUpContentShadowLayer(GraphicsLayer*) { }
 #endif
 
     virtual bool shouldCenterOnThumb(ScrollbarThemeClient*, const PlatformMouseEvent&) { return false; }
     virtual bool shouldSnapBackToDragOrigin(ScrollbarThemeClient*, const PlatformMouseEvent&) { return false; }
@@ skipping 14 matching lines @@
     virtual bool isMockTheme() const { return false; }
 
     static ScrollbarTheme* theme();
 
 private:
     static ScrollbarTheme* nativeTheme(); // Must be implemented to return the correct theme subclass.
 };
 
 }
 #endif