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

chrome/chrome_tests_unit.gypi

 # Copyright 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': {
     'chrome_unit_tests_sources': [
       '../apps/saved_files_service_unittest.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.h',
       '../components/autofill/content/renderer/test_password_generation_agent.cc',
@@ skipping 1753 matching lines @@
           'sources': [
             'browser/extensions/fake_safe_browsing_database_manager.cc',
             'browser/extensions/fake_safe_browsing_database_manager.h',
           ],
         }],
         ['OS=="linux"', {
           'dependencies': [
             '../build/linux/system.gyp:ssl',
           ],
         }],
-        ['enable_printing==1', {
+        ['enable_print_preview==1', {
           'dependencies': [
             'service',
           ],
         }],
-        ['enable_printing!=0', {
+        ['enable_basic_printing==1 or enable_print_preview==1', {
           'sources': [
             'renderer/printing/mock_printer.cc',
             'renderer/printing/mock_printer.h',
           ],
         }],
         ['enable_extensions==1', {
           'dependencies': [
             '../components/components.gyp:storage_monitor_test_support',
             '../extensions/extensions.gyp:extensions_test_support',
             'common/extensions/api/api.gyp:chrome_api',
@@ skipping 463 matching lines @@
         ['enable_plugins==0', {
           'sources/': [
             ['exclude', '^browser/plugins/'],
           ],
           'sources!': [
             'browser/component_updater/test/component_installers_unittest.cc',
             'browser/metrics/plugin_metrics_provider_unittest.cc',
             'common/pepper_permission_util_unittest.cc',
           ],
         }],
-        ['enable_printing!=1', {
+        ['enable_print_preview==0', {
           'sources/': [
             ['exclude', '^browser/printing/'],
             ['exclude', '^browser/ui/webui/print_preview/'],
             # No need for service process.
             ['exclude', '^browser/service/'],
             ['exclude', '^common/service_'],
             ['exclude', '^service/'],
           ],
         }],
         ['enable_captive_portal_detection!=1', {
@@ skipping 643 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }