Make it so chrome manifests are built if aura is set

chrome/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 44 matching lines @@
 }
 
 if (!is_android && !is_mac) {
   group("chrome") {
     public_deps = [
       ":chrome_initial",
     ]
     if (is_win) {
       public_deps += [ ":reorder_imports" ]
     }
+    if (use_aura && (is_win || is_linux)) {
+      data_deps = [
+        "//chrome/app:mojo_manifests",
+      ]
+    }
   }
 
   executable("chrome_initial") {
     if (is_win) {
       output_name = "initialexe/chrome"
     } else {
       output_name = "chrome"
     }
 
     # Because the sources list varies so significantly per-platform, generally
@@ skipping 1492 matching lines @@
       "//chrome/app/theme/$branding_path_component/product_logo_48.png",
       "//chrome/tools/build/linux/chrome-wrapper",
       "//third_party/xdg-utils/scripts/xdg-mime",
       "//third_party/xdg-utils/scripts/xdg-settings",
     ]
     outputs = [
       "$root_out_dir/{{source_file_part}}",
     ]
   }
 }