Only copy the rlz files when branding == "Chrome".

rlz/rlz.gyp

 # Copyright (c) 2009 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.
 
 {
   'includes': [
     '../build/common.gypi',
   ],
   'conditions': [
     [ 'OS == "win"', {
       'targets': [
         {
           'target_name': 'rlz',
           'type': 'none',
           'msvs_guid': 'BF4F447B-72B5-4059-BE1B-F94337B1F385',
-          'copies': [
-            {
-              'destination': '<(PRODUCT_DIR)',
-              'files': [
-                'binaries/rlz.dll',
-                'binaries/rlz_dll.pdb',
+          'conditions': [
+            ['branding == "Chrome"', {
+              'copies': [
+                {
+                  'destination': '<(PRODUCT_DIR)',
+                  'files': [
+                    'binaries/rlz.dll',
+                    'binaries/rlz_dll.pdb',
+                  ],
+                },
               ],
-            },
+            }],
           ],
         },
       ],
     }],
   ],
 }