Revert of Replace all occurrences of RELEASE_ASSERT in wtf with CHECK.

third_party/WebKit/Source/wtf/text/StringImpl.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 406 matching lines @@
 #endif
 
 #ifdef STRING_STATS
     ALWAYS_INLINE static StringStats& stringStats() { return m_stringStats; }
 #endif
     static const UChar latin1CaseFoldTable[256];
 
 private:
     template<typename CharType> static size_t allocationSize(unsigned length)
     {
-        CHECK_LE(length, (std::numeric_limits<unsigned>::max() - sizeof(StringImpl)) / sizeof(CharType));
+        RELEASE_ASSERT(length <= ((std::numeric_limits<unsigned>::max() - sizeof(StringImpl)) / sizeof(CharType)));
         return sizeof(StringImpl) + length * sizeof(CharType);
     }
 
     template <class UCharPredicate> PassRefPtr<StringImpl> stripMatchedCharacters(UCharPredicate);
     template <typename CharType, class UCharPredicate> PassRefPtr<StringImpl> simplifyMatchedCharactersToSpace(UCharPredicate, StripBehavior);
     NEVER_INLINE unsigned hashSlowCase() const;
 
 #ifdef STRING_STATS
     static StringStats m_stringStats;
 #endif
@@ skipping 220 matching lines @@
     if (is8Bit())
         return WTF::find(characters8(), m_length, character, start);
     return WTF::find(characters16(), m_length, character, start);
 }
 
 inline unsigned lengthOfNullTerminatedString(const UChar* string)
 {
     size_t length = 0;
     while (string[length] != UChar(0))
         ++length;
-    CHECK_LE(length, std::numeric_limits<unsigned>::max());
+    RELEASE_ASSERT(length <= std::numeric_limits<unsigned>::max());
     return static_cast<unsigned>(length);
 }
 
 template<size_t inlineCapacity>
 bool equalIgnoringNullity(const Vector<UChar, inlineCapacity>& a, StringImpl* b)
 {
     if (!b)
         return !a.size();
     if (a.size() != b->length())
         return false;
@@ skipping 90 matching lines @@
 
 using WTF::StringImpl;
 using WTF::equal;
 using WTF::equalNonNull;
 using WTF::TextCaseSensitivity;
 using WTF::TextCaseSensitive;
 using WTF::TextCaseASCIIInsensitive;
 using WTF::TextCaseInsensitive;
 
 #endif