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

src/objects-debug.cc

 // 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.
 
 #include "src/v8.h"
 
 #include "src/disasm.h"
 #include "src/disassembler.h"
 #include "src/heap/objects-visiting.h"
 #include "src/jsregexp.h"
@@ skipping 189 matching lines @@
 void HeapObject::VerifyHeapPointer(Object* p) {
   CHECK(p->IsHeapObject());
   HeapObject* ho = HeapObject::cast(p);
   CHECK(ho->GetHeap()->Contains(ho));
 }
 
 
 void Symbol::SymbolVerify() {
   CHECK(IsSymbol());
   CHECK(HasHashCode());
-  CHECK_GT(Hash(), 0);
+  CHECK_GT(Hash(), 0u);
   CHECK(name()->IsUndefined() || name()->IsString());
   CHECK(flags()->IsSmi());
 }
 
 
 void HeapNumber::HeapNumberVerify() {
   CHECK(IsHeapNumber() || IsMutableHeapNumber());
 }
 
 
@@ skipping 1029 matching lines @@
     while (map != heap->roots_array_start()[i++]) {
       CHECK_LT(i, Heap::kStrongRootListLength);
     }
   }
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal