Convert RLZ to a buildflag header

chrome/browser/extensions/install_signer.cc

 // Copyright 2013 The Chromium 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 "chrome/browser/extensions/install_signer.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <utility>
 
@@ skipping 16 matching lines @@
 #include "build/build_config.h"
 #include "chrome/common/chrome_switches.h"
 #include "crypto/random.h"
 #include "crypto/secure_hash.h"
 #include "crypto/sha2.h"
 #include "crypto/signature_verifier.h"
 #include "net/url_request/url_fetcher.h"
 #include "net/url_request/url_fetcher_delegate.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "net/url_request/url_request_status.h"
+#include "rlz/features/features.h"
 #include "url/gurl.h"
 
-#if defined(ENABLE_RLZ)
+#if BUILDFLAG(ENABLE_RLZ)
 #include "rlz/lib/machine_id.h"
 #endif
 
 namespace {
 
 using extensions::ExtensionIdSet;
 
 const char kExpireDateKey[] = "expire_date";
 const char kExpiryKey[] = "expiry";
 const char kHashKey[] = "hash";
@@ skipping 27 matching lines @@
     "-----END PUBLIC KEY-----";
 
 GURL GetBackendUrl() {
   return GURL(kBackendUrl);
 }
 
 // Hashes |salt| with the machine id, base64-encodes it and returns it in
 // |result|.
 bool HashWithMachineId(const std::string& salt, std::string* result) {
   std::string machine_id;
-#if defined(ENABLE_RLZ)
+#if BUILDFLAG(ENABLE_RLZ)
   if (!rlz_lib::GetMachineId(&machine_id))
     return false;
 #else
   machine_id = "unknown";
 #endif
 
   std::unique_ptr<crypto::SecureHash> hash(
       crypto::SecureHash::Create(crypto::SecureHash::SHA256));
 
   hash->Update(machine_id.data(), machine_id.size());
@@ skipping 406 matching lines @@
     if (!verified)
       result.reset();
   }
 
   if (!callback_.is_null())
     callback_.Run(std::move(result));
 }
 
 
 }  // namespace extensions