Removing a bunch of unused platform code.

Source/WebCore/platform/SharedBuffer.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  * 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 19 matching lines @@
 #include <wtf/Forward.h>
 #include <wtf/OwnPtr.h>
 #include <wtf/RefCounted.h>
 #include <wtf/Vector.h>
 #include <wtf/text/WTFString.h>
 
 #if USE(CF)
 #include <wtf/RetainPtr.h>
 #endif
 
-#if PLATFORM(MAC) || (PLATFORM(QT) && USE(QTKIT))
+#if PLATFORM(MAC)
 OBJC_CLASS NSData;
 #endif
 
 namespace WebCore {
     
 class PurgeableBuffer;
 
 class SharedBuffer : public RefCounted<SharedBuffer> {
 public:
     static PassRefPtr<SharedBuffer> create() { return adoptRef(new SharedBuffer); }
     static PassRefPtr<SharedBuffer> create(size_t size) { return adoptRef(new SharedBuffer(size)); }
     static PassRefPtr<SharedBuffer> create(const char* c, int i) { return adoptRef(new SharedBuffer(c, i)); }
     static PassRefPtr<SharedBuffer> create(const unsigned char* c, int i) { return adoptRef(new SharedBuffer(c, i)); }
 
     static PassRefPtr<SharedBuffer> createWithContentsOfFile(const String& filePath);
 
     static PassRefPtr<SharedBuffer> adoptVector(Vector<char>& vector);
     
     // The buffer must be in non-purgeable state before adopted to a SharedBuffer. 
     // It will stay that way until released.
     static PassRefPtr<SharedBuffer> adoptPurgeableBuffer(PassOwnPtr<PurgeableBuffer>);
     
     ~SharedBuffer();
     
-#if PLATFORM(MAC) || (PLATFORM(QT) && USE(QTKIT))
+#if PLATFORM(MAC)
     NSData *createNSData();
     static PassRefPtr<SharedBuffer> wrapNSData(NSData *data);
 #endif
 #if USE(CF)
     CFDataRef createCFData();
     static PassRefPtr<SharedBuffer> wrapCFData(CFDataRef);
 #endif
 
     // Calling this function will force internal segmented buffers
     // to be merged into a flat buffer. Use getSomeData() whenever possible
@@ skipping 75 matching lines @@
     explicit SharedBuffer(CFDataRef);
     RetainPtr<CFDataRef> m_cfData;
 #endif
 };
 
 PassRefPtr<SharedBuffer> utf8Buffer(const String&);
 
 } // namespace WebCore
 
 #endif // SharedBuffer_h