Remove the last remaining PLATFORM() bits from WebCore.

Source/WebCore/platform/graphics/mac/FontCacheMac.mm

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  *
  * 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 34 matching lines @@
 // The "void*" parameter makes the function match the prototype for callbacks from callOnMainThread.
 static void invalidateFontCache(void*)
 {
     if (!isMainThread()) {
         callOnMainThread(&invalidateFontCache, 0);
         return;
     }
     fontCache()->invalidate();
 }
 
-#if PLATFORM(IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
 static void fontCacheRegisteredFontsChangedNotificationCallback(CFNotificationCenterRef, void* observer, CFStringRef name, const void *, CFDictionaryRef)
 {
     ASSERT_UNUSED(observer, observer == fontCache());
     ASSERT_UNUSED(name, CFEqual(name, kCTFontManagerRegisteredFontsChangedNotification));
     invalidateFontCache(0);
 }
-#else
-static void fontCacheATSNotificationCallback(ATSFontNotificationInfoRef, void*)
-{
-    invalidateFontCache(0);
-}
-#endif
 
 void FontCache::platformInit()
 {
     wkSetUpFontCache();
-#if PLATFORM(IOS) || __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060
     CFNotificationCenterAddObserver(CFNotificationCenterGetLocalCenter(), this, fontCacheRegisteredFontsChangedNotificationCallback, kCTFontManagerRegisteredFontsChangedNotification, 0, CFNotificationSuspensionBehaviorDeliverImmediately);
-#else
-    // kCTFontManagerRegisteredFontsChangedNotification does not exist on Leopard and earlier.
-    // FIXME: Passing kATSFontNotifyOptionReceiveWhileSuspended may be an overkill and does not seem to work anyway.
-    ATSFontNotificationSubscribe(fontCacheATSNotificationCallback, kATSFontNotifyOptionReceiveWhileSuspended, 0, 0);
-#endif
 }
 
 static int toAppKitFontWeight(FontWeight fontWeight)
 {
     static int appKitFontWeights[] = {
         2,  // FontWeight100
         3,  // FontWeight200
         4,  // FontWeight300
         5,  // FontWeight400
         6,  // FontWeight500
@@ skipping 147 matching lines @@
 
     // FontPlatformData::font() can be null for the case of Chromium out-of-process font loading.
     // In that case, we don't want to use the platformData.
     OwnPtr<FontPlatformData> platformData = adoptPtr(new FontPlatformData(platformFont, size, fontDescription.usePrinterFont(), syntheticBold, syntheticOblique, fontDescription.orientation(), fontDescription.widthVariant()));
     if (!platformData->font())
         return 0;
     return platformData.leakPtr();
 }
 
 } // namespace WebCore