Lacros: Rename deprecated macro name.

This change renames deprecated macro IS_LACROS to IS_CHROMEOS_LACROS.

Bug: 1052397
Change-Id: I68d71be23b2edc2eb1e005e585df938a921a4394
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2622690Reviewed-by: David Benjamin <davidben@chromium.org>
Commit-Queue: Yuta Hijikata <ythjkt@chromium.org>
Cr-Commit-Position: refs/heads/master@{#842859}

net/cert/nss_cert_database.cc

@@ -32,7 +32,7 @@
 #include "net/third_party/mozilla_security_manager/nsNSSCertificateDB.h"
 #include "net/third_party/mozilla_security_manager/nsPKCS12Blob.h"
 
-#if defined(OS_CHROMEOS) || BUILDFLAG(IS_LACROS)
+#if defined(OS_CHROMEOS) || BUILDFLAG(IS_CHROMEOS_LACROS)
 #include "crypto/chaps_support.h"
 #endif
 
@@ -440,7 +440,7 @@ bool NSSCertDatabase::IsHardwareBacked(const CERTCertificate* cert) {
   if (!slot || !PK11_IsHW(slot))
     return false;
 
-#if BUILDFLAG(IS_CHROMEOS_ASH) || BUILDFLAG(IS_LACROS)
+#if BUILDFLAG(IS_CHROMEOS_ASH) || BUILDFLAG(IS_CHROMEOS_LACROS)
   // Chaps announces PK11_IsHW(slot) for all slots. However, it is possible for
   // a key in chaps to be not truly hardware-backed, either because it has been
   // requested to be software-backed, or because the TPM does not support the