Revert r156542 "Do not include "wtf/Platform.h" directly. "

Source/wtf/Assertions.h

 /*
  * Copyright (C) 2003, 2006, 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2013 Google Inc. 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 22 matching lines @@
    Note, this file uses many GCC extensions, but it should be compatible with
    C, Objective C, C++, and Objective C++.
 
    For non-debug builds, everything is disabled by default, except for the
    RELEASE_ASSERT family of macros.
 
    Defining any of the symbols explicitly prevents this from having any effect.
 
 */
 
+#include "wtf/Platform.h"
+
 #include <stddef.h>
 
 #if !COMPILER(MSVC)
 #include <inttypes.h>
 #endif
 
 #include "wtf/WTFExport.h"
 
 #ifdef NDEBUG
 /* Disable ASSERT* macros in release mode. */
@@ skipping 317 matching lines @@
 #define RELEASE_ASSERT(assertion) (UNLIKELY(!(assertion)) ? (IMMEDIATE_CRASH()) : (void)0)
 #define RELEASE_ASSERT_WITH_MESSAGE(assertion, ...) RELEASE_ASSERT(assertion)
 #define RELEASE_ASSERT_NOT_REACHED() IMMEDIATE_CRASH()
 #else
 #define RELEASE_ASSERT(assertion) ASSERT(assertion)
 #define RELEASE_ASSERT_WITH_MESSAGE(assertion, ...) ASSERT_WITH_MESSAGE(assertion, __VA_ARGS__)
 #define RELEASE_ASSERT_NOT_REACHED() ASSERT_NOT_REACHED()
 #endif
 
 #endif /* WTF_Assertions_h */