Set enable_hangout_services_extension from branding.

chrome/browser/extensions/component_extensions_whitelist/whitelist.cc

 // Copyright 2015 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/component_extensions_whitelist/whitelist.h"
 
 #include <stddef.h>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 66 matching lines @@
 #endif
 #if defined(ENABLE_PRINTING)
     case IDR_CLOUDPRINT_MANIFEST:
 #endif
     case IDR_CRYPTOTOKEN_MANIFEST:
     case IDR_FEEDBACK_MANIFEST:
     case IDR_GAIA_AUTH_MANIFEST:
 #if defined(ENABLE_GOOGLE_NOW)
     case IDR_GOOGLE_NOW_MANIFEST:
 #endif
-#if defined(GOOGLE_CHROME_BUILD) || BUILDFLAG(ENABLE_HANGOUT_SERVICES_EXTENSION)
+#if BUILDFLAG(ENABLE_HANGOUT_SERVICES_EXTENSION)
     case IDR_HANGOUT_SERVICES_MANIFEST:
 #endif
 #if defined(ENABLE_HOTWORDING)
     case IDR_HOTWORD_AUDIO_VERIFICATION_MANIFEST:
     case IDR_HOTWORD_MANIFEST:
 #endif
     case IDR_IDENTITY_API_SCOPE_APPROVAL_MANIFEST:
 #if defined(IMAGE_LOADER_EXTENSION)
     case IDR_IMAGE_LOADER_MANIFEST:
 #endif
@@ skipping 29 matching lines @@
   }
 
   LOG(ERROR) << "Component extension with manifest resource id "
              << manifest_resource_id << " not in whitelist and is not being "
              << "loaded as a result.";
   NOTREACHED();
   return false;
 }
 
 }  // namespace extensions