Remove UnusedParam.h

Source/platform/fonts/mac/SimpleFontDataMac.mm

 /*
  * Copyright (C) 2005, 2006, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Alexey Proskuryakov
  *
  * 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
@@ skipping 23 matching lines @@
 #import "platform/SharedBuffer.h"
 #import "platform/fonts/Font.h"
 #import "platform/fonts/FontCache.h"
 #import "platform/fonts/FontDescription.h"
 #import "platform/geometry/FloatRect.h"
 #import "platform/graphics/Color.h"
 #import "platform/mac/BlockExceptions.h"
 #import <wtf/Assertions.h>
 #import <wtf/RetainPtr.h>
 #import <wtf/StdLibExtras.h>
-#import <wtf/UnusedParam.h>
 
 @interface NSFont (WebAppKitSecretAPI)
 - (BOOL)_isFakeFixedPitch;
 @end
 
 // The names of these constants were taken from history
 // /trunk/WebKit/WebCoreSupport.subproj/WebTextRenderer.m@9311. The values
 // were derived from the assembly of libWebKitSystemInterfaceLeopard.a.
 enum CGFontRenderingMode {
   kCGFontRenderingMode1BitPixelAligned = 0x0,
@@ skipping 389 matching lines @@
         RetainPtr<CGFontRef> runCGFont(AdoptCF, CTFontCopyGraphicsFont(runFont, 0));
         if (!CFEqual(runCGFont.get(), cgFont.get()))
             return false;
     }
 
     addResult.iterator->value = true;
     return true;
 }
 
 } // namespace WebCore