Remove all of WebCore/platform/mac which is not mentioned in WebCore.gypi.

Source/WebCore/loader/cache/MemoryCache.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
@@ skipping 14 matching lines @@
 
 #include "CachedResource.h"
 #include "CachedResourceHandle.h"
 #include "CrossThreadTask.h"
 #include "Document.h"
 #include "FrameLoader.h"
 #include "FrameLoaderTypes.h"
 #include "FrameView.h"
 #include "Image.h"
 #include "Logging.h"
-#include "PublicSuffix.h"
 #include "SecurityOrigin.h"
 #include "SecurityOriginHash.h"
 #include "WebCoreMemoryInstrumentation.h"
 #include "WorkerContext.h"
 #include "WorkerLoaderProxy.h"
 #include "WorkerThread.h"
 #include <stdio.h>
 #include <wtf/CurrentTime.h>
 #include <wtf/MathExtras.h>
 #include <wtf/MemoryInstrumentationHashMap.h>
@@ skipping 828 matching lines @@
             if (includeLive || !current->hasClients())
                 printf("(%.1fK, %.1fK, %uA, %dR, %d, %d); ", current->decodedSize() / 1024.0f, (current->encodedSize() + current->overheadSize()) / 1024.0f, current->accessCount(), current->hasClients(), current->isPurgeable(), current->wasPurged());
 
             current = prev;
         }
     }
 }
 #endif
 
 } // namespace WebCore