Remove OS(WINCE) as blink and chromium does not support WinCe.

Source/core/platform/image-decoders/jpeg/JPEGImageDecoder.h

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008-2009 Torch Mobile, Inc.
  *
  * 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 13 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #ifndef JPEGImageDecoder_h
 #define JPEGImageDecoder_h
 
 #include "ImageDecoder.h"
 #include <stdio.h> // Needed by jpeglib.h for FILE.
 #include <wtf/OwnPtr.h>
 
-#if OS(WINCE)
-// Remove warning: 'FAR' macro redefinition
-#undef FAR
-
-// jmorecfg.h in libjpeg checks for XMD_H with the comment: "X11/xmd.h correctly defines INT32"
-// fix INT32 redefinition error by pretending we are X11/xmd.h
-#define XMD_H
-#endif
-
 extern "C" {
 #include "jpeglib.h"
 }
 
 namespace WebCore {
 
     class JPEGImageReader;
 
     // This class decodes the JPEG image format.
     class JPEGImageDecoder : public ImageDecoder {
@@ skipping 34 matching lines @@
 
         template <J_COLOR_SPACE colorSpace, bool isScaled>
         bool outputScanlines(ImageFrame& buffer);
 
         OwnPtr<JPEGImageReader> m_reader;
     };
 
 } // namespace WebCore
 
 #endif