Add cloud_print to the GN build.

build/config/win/manifest.gni

 # 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.
 
 # HOW MANIFESTS WORK IN THE GN BUILD
 #
 # Use the windows_manifest template to declare a manifest generation step.
 # This will combine all listed .manifest files and generate a resource file
 # referencing the resulting manifest. To link this manifest, just depend on
 # the manifest target from your executable or shared library.
@@ skipping 24 matching lines @@
 
 # Reference this manifest as a source from windows_manifest targets to get
 # the default Chrome common constrols compatibility.
 common_controls_manifest = "//build/win/common_controls.manifest"
 
 # Reference this manifest to request that Windows not perform any elevation
 # when running your program. Otherwise, it might do some autodetection and
 # request elevated privileges from the user. This is normally what you want.
 as_invoker_manifest = "//build/win/as_invoker.manifest"
 
+# An alternative to as_invoker_manifest when you want the application to always
+# elevate.
+require_administrator_manifest = "//build/win/require_administrator.manifest"
+
 # Construct a target to combine the given manifest files into a .rc file.
 #
 # Variables for the windows_manifest template:
 #
 #   sources: (required)
 #     List of source .manifest files to add.
 #
 #   type: "dll" or "exe" (required)
 #     Indicates the type of target that this manifest will be used for.
 #     DLLs and EXEs have different manifest resource IDs.
@@ skipping 114 matching lines @@
   template("windows_manifest") {
     group(target_name) {
       # Prevent unused variable warnings on non-Windows platforms.
       assert(invoker.type == "exe" || invoker.type == "dll")
       assert(invoker.sources != "")
       assert(!defined(invoker.deps) || invoker.deps != "")
       assert(!defined(invoker.visibility) || invoker.visibility != "")
     }
   }
 }