Remove the last remaining PLATFORM() bits from WebCore.

Source/WebCore/platform/graphics/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 62 matching lines @@
     return true;
 }
 
 static NSString *webFallbackFontFamily(void)
 {
     DEFINE_STATIC_LOCAL(RetainPtr<NSString>, webFallbackFontFamily, ([[NSFont systemFontOfSize:16.0f] familyName]));
     return webFallbackFontFamily.get();
 }
 
 #if !ERROR_DISABLED
-#if defined(__LP64__) || PLATFORM(IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070 || (__MAC_OS_X_VERSION_MAX_ALLOWED >= 107 && __MAC_OS_X_VERSION_MIN_REQUIRED >= 106)
+#if defined(__LP64__) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070 || (__MAC_OS_X_VERSION_MAX_ALLOWED >= 1070 && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060)
 static NSString* pathFromFont(NSFont*)
 {
     // FMGetATSFontRefFromFont is not available. As pathFromFont is only used for debugging purposes,
     // returning nil is acceptable.
     return nil;
 }
 #else
 static NSString* pathFromFont(NSFont *font)
 {
     ATSFontRef atsFont = FMGetATSFontRefFromFont(CTFontGetPlatformFont(toCTFontRef(font), 0));
@@ skipping 363 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