Remove WTF_USE_QUERY_PERFORMANCE_COUNTER as it is not used.

Source/wtf/Platform.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  * Copyright (C) 2010, 2011 Research In Motion Limited. 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.
@@ skipping 353 matching lines @@
 /* OS(SOLARIS) - Solaris */
 #if defined(sun) || defined(__sun)
 #define WTF_OS_SOLARIS 1
 #endif
 
 /* OS(WINDOWS) - Any version of Windows */
 #if defined(WIN32) || defined(_WIN32)
 #define WTF_OS_WINDOWS 1
 #endif
 
-#define WTF_OS_WIN ERROR "USE WINDOWS WITH OS NOT WIN"
-#define WTF_OS_MAC ERROR "USE MAC_OS_X WITH OS NOT MAC"
-
 /* OS(UNIX) - Any Unix-like system */
 #if   OS(AIX)              \
     || OS(ANDROID)          \
     || OS(DARWIN)           \
     || OS(FREEBSD)          \
     || OS(HURD)             \
     || OS(LINUX)            \
     || OS(NETBSD)           \
     || OS(OPENBSD)          \
     || OS(QNX)              \
     || OS(SOLARIS)          \
     || defined(unix)        \
     || defined(__unix)      \
     || defined(__unix__)
 #define WTF_OS_UNIX 1
 #endif
 
 /* Operating environments */
 
-/* Graphics engines */
-
-#if OS(DARWIN)
-#define WTF_USE_ICCJPEG 1
-#define WTF_USE_QCMSLIB 1
-#elif OS(ANDROID)
+#if OS(ANDROID)
 #define WTF_USE_LOW_QUALITY_IMAGE_INTERPOLATION 1
 #define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_DITHERING 1
 #define WTF_USE_LOW_QUALITY_IMAGE_NO_JPEG_FANCY_UPSAMPLING 1
 #else
 #define WTF_USE_ICCJPEG 1
 #define WTF_USE_QCMSLIB 1
 #endif
 
-/* On Windows, use QueryPerformanceCounter by default */
-#if OS(WINDOWS)
-#define WTF_USE_QUERY_PERFORMANCE_COUNTER  1
-#endif
-
 #define WTF_USE_ICU_UNICODE 1
 
 #if OS(DARWIN)
 #define WTF_USE_CF 1
 #define WTF_USE_WK_SCROLLBAR_PAINTER 1
 
 /* We can't override the global operator new and delete on OS(DARWIN) because
  * some object are allocated by WebKit and deallocated by the embedder. */
 #else /* !OS(DARWIN) */
 /* On non-OS(DARWIN), the "system malloc" is actually TCMalloc anyway, so there's
@@ skipping 41 matching lines @@
 #endif
 #endif
 
 #if !OS(WINDOWS) && !OS(SOLARIS) && !OS(ANDROID)
 #define HAVE_TM_GMTOFF 1
 #define HAVE_TM_ZONE 1
 #define HAVE_TIMEGM 1
 #endif
 
 #if OS(DARWIN)
-
 #define HAVE_MERGESORT 1
 #define HAVE_SYS_TIMEB_H 1
 #define WTF_USE_ACCELERATE 1
-
 #define HAVE_DISPATCH_H 1
 #define HAVE_MADV_FREE 1
 #define HAVE_PTHREAD_SETNAME_NP 1
-
 #define HAVE_HOSTED_CORE_ANIMATION 1
 #define HAVE_MADV_FREE_REUSE 1
-
 #endif /* OS(DARWIN) */
 
 #if OS(WINDOWS)
 #define HAVE_SYS_TIMEB_H 1
 #define HAVE_ALIGNED_MALLOC 1
 #define HAVE_ISDEBUGGERPRESENT 1
 #define HAVE_VIRTUALALLOC 1
 #endif
 
 /* FIXME: When all platforms' compositors can compute their own filter outsets, we should remove this define. 
    https://bugs.webkit.org/show_bug.cgi?id=112830 */
 #if USE(CG)
 #define HAVE_COMPOSITOR_FILTER_OUTSETS 1
 #endif
 
 #if !defined(WTF_USE_3D_GRAPHICS)
 #define WTF_USE_3D_GRAPHICS 1
 #endif
 
 #if !defined(ENABLE_THREADING_LIBDISPATCH) && HAVE(DISPATCH_H)
 #define ENABLE_THREADING_LIBDISPATCH 1
 #elif !defined(ENABLE_THREADING_OPENMP) && defined(_OPENMP)
 #define ENABLE_THREADING_OPENMP 1
 #elif !defined(THREADING_GENERIC)
 #define ENABLE_THREADING_GENERIC 1
 #endif
 
 #endif /* WTF_Platform_h */