Renamed enable_printing and printing_mode in *.gyp* and .*gn* files.

chrome/chrome.gyp

 # Copyright (c) 2012 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.
 {
   'variables': {
     'chromium_code': 1,
 
     # Define the common dependencies that contain all the actual
     # Chromium functionality.  This list gets pulled in below by
     # the link of the actual chrome (or chromium) executable on
@@ skipping 22 matching lines @@
         ],
         'chromium_child_dependencies': [
           'plugin',
           'renderer',
           'utility',
           '../content/content.gyp:content_gpu',
           '../content/content.gyp:content_ppapi_plugin',
           '../third_party/WebKit/public/blink_devtools.gyp:blink_devtools_frontend_resources',
         ],
       }],
-      ['enable_printing!=0', {
+      ['enable_basic_printing==1 or enable_print_preview==1', {
         'chromium_browser_dependencies': [
           '../printing/printing.gyp:printing',
         ],
       }],
-      ['enable_printing==1', {
+      ['enable_print_preview==1', {
         'chromium_browser_dependencies': [
           'service',
         ],
       }],
       ['OS=="win"', {
         'platform_locale_settings_grd':
             'app/resources/locale_settings_win.grd',
       },],
       ['OS=="linux"', {
         'conditions': [
@@ skipping 609 matching lines @@
       ]}, # 'includes'
     ],  # OS=="android"
     ['configuration_policy==1 and OS!="android" and OS!="ios"', {
       'includes': [ 'policy.gypi', ],
     }],
     ['enable_extensions==1', {
       'includes': [
         'chrome_browser_extensions.gypi',
       ],
     }],
-    ['enable_printing==1', {
+    ['enable_print_preview==1', {
       'targets': [
         {
           # GN version: //chrome/service
           'target_name': 'service',
           'type': 'static_library',
           'variables': { 'enable_wexit_time_destructors': 1, },
           'dependencies': [
             'chrome_resources.gyp:chrome_strings',
             'common',
             'common_net',
@@ skipping 71 matching lines @@
                 'service/service_utility_process_host.cc',
                 'service/service_utility_process_host.h',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }