Remove UnusedParam.h

Source/core/css/MediaQueryEvaluator.cpp

 /*
  * CSS Media Query Evaluator
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Intel Corporation. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 561 matching lines @@
     returnValueIfNoParameter = threeDEnabled;
     have3dRendering = threeDEnabled ? 1 : 0;
 
     if (value) {
         float number;
         return numberValue(value, number) && compareValue(have3dRendering, static_cast<int>(number), op);
     }
     return returnValueIfNoParameter;
 }
 
-static bool viewModeMediaFeatureEval(CSSValue* value, RenderStyle*, Frame* frame, MediaFeaturePrefix op)
+static bool viewModeMediaFeatureEval(CSSValue* value, RenderStyle*, Frame* frame, MediaFeaturePrefix)
 {
-    UNUSED_PARAM(op);
     if (!value)
         return true;
 
     return toCSSPrimitiveValue(value)->getValueID() == CSSValueWindowed;
 }
 
 enum PointerDeviceType { TouchPointer, MousePointer, NoPointer, UnknownPointer };
 
 static PointerDeviceType leastCapablePrimaryPointerDeviceType(Frame* frame)
 {
@@ skipping 92 matching lines @@
     // Call the media feature evaluation function. Assume no prefix and let
     // trampoline functions override the prefix if prefix is used.
     EvalFunc func = gFunctionMap->get(expr->mediaFeature().impl());
     if (func)
         return func(expr->value(), m_style.get(), m_frame, NoPrefix);
 
     return false;
 }
 
 } // namespace