Reland "Initial switch to Chromium-style CHECK_* and DCHECK_* macros.".

src/jsregexp.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_JSREGEXP_H_
 #define V8_JSREGEXP_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 
@@ skipping 221 matching lines @@
   kInsideBoth = 3
 };
 
 
 // Represents code units in the range from from_ to to_, both ends are
 // inclusive.
 class CharacterRange {
  public:
   CharacterRange() : from_(0), to_(0) { }
   // For compatibility with the CHECK_OK macro
-  CharacterRange(void* null) { DCHECK_EQ(NULL, null); }  //NOLINT
+  CharacterRange(void* null) { DCHECK_NULL(null); }  // NOLINT
   CharacterRange(uc16 from, uc16 to) : from_(from), to_(to) { }
   static void AddClassEscape(uc16 type, ZoneList<CharacterRange>* ranges,
                              Zone* zone);
   static Vector<const int> GetWordBounds();
   static inline CharacterRange Singleton(uc16 value) {
     return CharacterRange(value, value);
   }
   static inline CharacterRange Range(uc16 from, uc16 to) {
     DCHECK(from <= to);
     return CharacterRange(from, to);
@@ skipping 1417 matching lines @@
 
   static bool TooMuchRegExpCode(Handle<String> pattern);
 
   static void DotPrint(const char* label, RegExpNode* node, bool ignore_case);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_JSREGEXP_H_