NOTREACHED should use DCHECK if DCHECK_ALWAYS_ON is set on cros.

base/logging.h

Index: base/logging.h
diff --git a/base/logging.h b/base/logging.h
index 54ff57970abe2b5a63507ce77e11f5ae698ef457..6a1df765895c23c0e5211497e63a6a5fba8dc54f 100644
--- a/base/logging.h
+++ b/base/logging.h
@@ -701,7 +701,7 @@ const LogSeverity LOG_DCHECK = LOG_INFO;
 #define DCHECK_GT(val1, val2) DCHECK_OP(GT, > , val1, val2)
 #define DCHECK_IMPLIES(val1, val2) DCHECK(!(val1) || (val2))
 
-#if defined(NDEBUG) && defined(OS_CHROMEOS)
+#if !DCHECK_IS_ON && defined(OS_CHROMEOS)
 #define NOTREACHED() LOG(ERROR) << "NOTREACHED() hit in " << \
     __FUNCTION__ << ". "
 #else