Allow printing component to be removed completely

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 10 matching lines @@
     ],
     'allocator_target': '../base/allocator/allocator.gyp:allocator',
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
     'protoc_out_dir': '<(SHARED_INTERMEDIATE_DIR)/protoc_out',
     'repack_locales_cmd': ['python', 'tools/build/repack_locales.py'],
     # TODO: remove this helper when we have loops in GYP
     'apply_locales_cmd': ['python', '<(DEPTH)/build/apply_locales.py'],
     'conditions': [
       ['OS!="ios"', {
         'chromium_browser_dependencies': [
-          '../printing/printing.gyp:printing',
           '../ppapi/ppapi_internal.gyp:ppapi_host',
         ],
         'chromium_child_dependencies': [
           'debugger',
           'plugin',
           'renderer',
           'utility',
           '../content/content.gyp:content_gpu',
           '../content/content.gyp:content_ppapi_plugin',
           '../content/content.gyp:content_worker',
           '../third_party/WebKit/Source/devtools/devtools.gyp:devtools_frontend_resources',
         ],
       }],
+      ['enable_printing!=0', {
+        'chromium_browser_dependencies': [
+          '../printing/printing.gyp:printing',
+        ],
+      }],
       ['OS=="win"', {
         'platform_locale_settings_grd':
             'app/resources/locale_settings_win.grd',
       },],
       ['enable_printing==1', {
         'chromium_browser_dependencies': [
           'service',
         ],
       }],
       ['OS=="linux"', {
@@ skipping 1074 matching lines @@
               'sources': [
                 'service/cloud_print/print_system_cups.cc',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }