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

src/serialize.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_SERIALIZE_H_
 #define V8_SERIALIZE_H_
 
 #include "src/compiler.h"
 #include "src/hashmap.h"
 #include "src/heap-profiler.h"
@@ skipping 257 matching lines @@
 
   ~BackReferenceMap() { delete map_; }
 
   BackReference Lookup(HeapObject* obj) {
     HashMap::Entry* entry = LookupEntry(map_, obj, false);
     return entry ? BackReference(GetValue(entry)) : BackReference();
   }
 
   void Add(HeapObject* obj, BackReference b) {
     DCHECK(b.is_valid());
-    DCHECK_EQ(NULL, LookupEntry(map_, obj, false));
+    DCHECK_NULL(LookupEntry(map_, obj, false));
     HashMap::Entry* entry = LookupEntry(map_, obj, true);
     SetValue(entry, b.bitfield());
   }
 
   void AddSourceString(String* string) {
     Add(string, BackReference::SourceReference());
   }
 
   void AddGlobalProxy(HeapObject* global_proxy) {
     Add(global_proxy, BackReference::GlobalProxyReference());
@@ skipping 11 matching lines @@
   HotObjectsList() : index_(0) {
     for (int i = 0; i < kSize; i++) circular_queue_[i] = NULL;
   }
 
   void Add(HeapObject* object) {
     circular_queue_[index_] = object;
     index_ = (index_ + 1) & kSizeMask;
   }
 
   HeapObject* Get(int index) {
-    DCHECK_NE(NULL, circular_queue_[index]);
+    DCHECK_NOT_NULL(circular_queue_[index]);
     return circular_queue_[index];
   }
 
   static const int kNotFound = -1;
 
   int Find(HeapObject* object) {
     for (int i = 0; i < kSize; i++) {
       if (circular_queue_[i] == object) return i;
     }
     return kNotFound;
@@ skipping 638 matching lines @@
   static const int kCheckSumOffset = 0;
   static const int kNumInternalizedStringsOffset = 1;
   static const int kReservationsOffset = 2;
   static const int kNumCodeStubKeysOffset = 3;
   static const int kPayloadLengthOffset = 4;
   static const int kHeaderSize = (kPayloadLengthOffset + 1) * kIntSize;
 };
 } }  // namespace v8::internal
 
 #endif  // V8_SERIALIZE_H_