Revert NotImplemented() changes in r383029 and r383047.

third_party/WebKit/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 44 matching lines @@
 #define ENABLE_ASSERT 0
 #else
 #define ENABLE_ASSERT 1
 #endif /* defined(NDEBUG) && !defined(DCHECK_ALWAYS_ON) */
 #endif
 
 #ifndef ASSERT_MSG_DISABLED
 #define ASSERT_MSG_DISABLED !ENABLE(ASSERT)
 #endif
 
+#ifndef ASSERT_ARG_DISABLED
+#define ASSERT_ARG_DISABLED !ENABLE(ASSERT)
+#endif
+
 #ifndef LOG_DISABLED
 #define LOG_DISABLED !ENABLE(ASSERT)
 #endif
 
 #if COMPILER(GCC)
 #define WTF_ATTRIBUTE_PRINTF(formatStringArgument, extraArguments) __attribute__((__format__(printf, formatStringArgument, extraArguments)))
 #else
 #define WTF_ATTRIBUTE_PRINTF(formatStringArgument, extraArguments)
 #endif
 
 /* These helper functions are always declared, but not necessarily always defined if the corresponding function is disabled. */
 
 typedef enum { WTFLogChannelOff, WTFLogChannelOn } WTFLogChannelState;
 
 typedef struct {
     WTFLogChannelState state;
 } WTFLogChannel;
 
 WTF_EXPORT void WTFReportAssertionFailure(const char* file, int line, const char* function, const char* assertion);
+WTF_EXPORT void WTFReportArgumentAssertionFailure(const char* file, int line, const char* function, const char* argName, const char* assertion);
 WTF_EXPORT void WTFLog(WTFLogChannel*, const char* format, ...) WTF_ATTRIBUTE_PRINTF(2, 3);
+WTF_EXPORT void WTFLogVerbose(const char* file, int line, const char* function, WTFLogChannel*, const char* format, ...) WTF_ATTRIBUTE_PRINTF(5, 6);
 WTF_EXPORT void WTFLogAlways(const char* format, ...) WTF_ATTRIBUTE_PRINTF(1, 2);
 
 WTF_EXPORT void WTFGetBacktrace(void** stack, int* size);
 WTF_EXPORT void WTFReportBacktrace(int framesToShow = 31);
 WTF_EXPORT void WTFPrintBacktrace(void** stack, int size);
 
 /* IMMEDIATE_CRASH() - Like CRASH() below but crashes in the fastest, simplest possible way with no attempt at logging. */
 #ifndef IMMEDIATE_CRASH
 #if COMPILER(GCC) || COMPILER(CLANG)
 #define IMMEDIATE_CRASH() __builtin_trap()
@@ skipping 93 matching lines @@
 #endif
 
 // Users must test "#if ENABLE(SECURITY_ASSERT)", which helps ensure
 // that code testing this macro has included this header.
 #if defined(ADDRESS_SANITIZER) || ENABLE(ASSERT)
 #define ENABLE_SECURITY_ASSERT 1
 #else
 #define ENABLE_SECURITY_ASSERT 0
 #endif
 
+/* ASSERT_ARG */
+
+#if ASSERT_ARG_DISABLED
+
+#define ASSERT_ARG(argName, assertion) ((void)0)
+
+#else
+
+#define ASSERT_ARG(argName, assertion) do \
+    if (!(assertion)) { \
+        WTFReportArgumentAssertionFailure(__FILE__, __LINE__, WTF_PRETTY_FUNCTION, #argName, #assertion); \
+        CRASH(); \
+    } \
+while (0)
+
+#endif
+
 // WTF_LOG
 // This is deprecated.  Should be replaced with DVLOG(verboselevel), which works
 // only in debug build, or VLOG(verboselevel), which works in release build too.
 #if LOG_DISABLED
 #define WTF_LOG(channel, ...) ((void)0)
 #else
 #define WTF_LOG(channel, ...) WTFLog(&JOIN_LOG_CHANNEL_WITH_PREFIX(LOG_CHANNEL_PREFIX, channel), __VA_ARGS__)
 #define JOIN_LOG_CHANNEL_WITH_PREFIX(prefix, channel) JOIN_LOG_CHANNEL_WITH_PREFIX_LEVEL_2(prefix, channel)
 #define JOIN_LOG_CHANNEL_WITH_PREFIX_LEVEL_2(prefix, channel) prefix ## channel
 #endif
@@ skipping 53 matching lines @@
 } \
 inline const thisType& to##thisType(const argumentType& argumentName) \
 { \
     ASSERT_WITH_SECURITY_IMPLICATION(referencePredicate); \
     return static_cast<const thisType&>(argumentName); \
 } \
 void to##thisType(const thisType*); \
 void to##thisType(const thisType&)
 
 #endif /* WTF_Assertions_h */