Move printing defines to buildflag system.

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 107 matching lines @@
     # Because the sources list varies so significantly per-platform, generally
     # each platform lists its own files rather than relying on filtering or
     # removing unused files.
     sources = [
       "app/chrome_exe_resource.h",
     ]
     defines = []
     public_deps = []
     deps = [
       "//build/config/sanitizers:deps",
+      "//printing/features",
     ]
 
     data = [
       "$root_out_dir/resources.pak",
     ]
     if (is_linux || is_win) {
       data += [
         "$root_out_dir/chrome_100_percent.pak",
         "$root_out_dir/locales/en-US.pak",
         "$root_out_dir/locales/fr.pak",
@@ skipping 1436 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}}",
     ]
   }
 }