Allow printing component to be removed completely

cloud_print/service/service.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.
 {
   'target_defaults': {
     'variables': {
       'chromium_code': 1,
       'enable_wexit_time_destructors': 1,
     },
     'include_dirs': [
@@ skipping 39 matching lines @@
     {
       'target_name': 'cloud_print_service_lib',
       'type': 'static_library',
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/base.gyp:base_static',
         '<(DEPTH)/base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '<(DEPTH)/google_apis/google_apis.gyp:google_apis',
         '<(DEPTH)/ipc/ipc.gyp:ipc',
         '<(DEPTH)/net/net.gyp:net',
-        '<(DEPTH)/printing/printing.gyp:printing',
         '<(DEPTH)/url/url.gyp:url_lib',
         'service_resources',
       ],
       'conditions': [
         ['OS=="win"', {
           'dependencies': [
             '<(DEPTH)/chrome/chrome.gyp:chrome_version_header',
             '<(DEPTH)/chrome/chrome.gyp:launcher_support',
             '<(DEPTH)/chrome/common_constants.gyp:common_constants',
           ],
         }],
+        ['enable_printing!=0', {
+          'dependencies': [
+            '<(DEPTH)/printing/printing.gyp:printing',
+          ],
+        }],
       ],
       'sources': [
         '<(DEPTH)/content/public/common/content_switches.h',
         '<(DEPTH)/content/public/common/content_switches.cc',
         '<(DEPTH)/cloud_print/common/win/cloud_print_utils.cc',
         '<(DEPTH)/cloud_print/common/win/cloud_print_utils.h',
         'service_constants.cc',
         'service_constants.h',
         'service_state.cc',
         'service_state.h',
@@ skipping 87 matching lines @@
           'SubSystem': '2',         # Set /SUBSYSTEM:WINDOWS
           'UACExecutionLevel': '2', # /level='requireAdministrator'
           'AdditionalDependencies': [
               'secur32.lib',
           ],
         },
       },
     },
   ],
 }