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

src/ic/handler-compiler.cc

Index: src/ic/handler-compiler.cc
diff --git a/src/ic/handler-compiler.cc b/src/ic/handler-compiler.cc
index 16e42cebd6a673981e84629dcb9e9c6dba941a62..3af36fac203974c572d55d2a317b8168892037b3 100644
--- a/src/ic/handler-compiler.cc
+++ b/src/ic/handler-compiler.cc
@@ -347,7 +347,7 @@ void NamedLoadHandlerCompiler::GenerateLoadPostInterceptor(
     case LookupIterator::ACCESSOR:
       Handle<ExecutableAccessorInfo> info =
           Handle<ExecutableAccessorInfo>::cast(it->GetAccessors());
-      DCHECK_NE(NULL, info->getter());
+      DCHECK_NOT_NULL(info->getter());
       GenerateLoadCallback(reg, info);
   }
 }