Add PDF compositor service

chrome/app/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/config/ui.gni")
 import("//chrome/common/features.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
 import("//services/catalog/public/tools/catalog.gni")
 import("//services/service_manager/public/service_manifest.gni")
@@ skipping 364 matching lines @@
     ]
 
     if (is_chromeos) {
       deps += [ "//chrome/app/mash:chrome_mus_catalog" ]
     }
   }
 }
 
 chrome_packaged_services = [ ":chrome_manifest" ]
 
+if (enable_basic_printing || enable_print_preview) {
+  chrome_packaged_services +=
+      [ "//components/printing/service:pdf_compositor_manifest" ]
+}
+
 if (is_chromeos) {
   chrome_packaged_services +=
       [ "//chrome/browser:preferences_forwarder_manifest" ]
 }
 
 service_manifest("chrome_manifest") {
   source = "chrome_manifest.json"
 }
 
 service_manifest("chrome_content_packaged_services_manifest_overlay_for_mash") {
@@ skipping 118 matching lines @@
     embedded_services = chrome_embedded_services +
                         [ ":chrome_content_packaged_services_manifest" ]
   }
 
   catalog("catalog_for_mash") {
     embedded_services =
         chrome_embedded_services +
         [ ":chrome_content_packaged_services_manifest_for_mash" ]
   }
 }