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

chrome/common/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("//tools/grit/grit_rule.gni")
 
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
     [ rebase_path("../chrome_common.gypi") ],
     "scope",
@@ skipping 127 matching lines @@
         ".", "//chrome")
   }
 
   if (enable_nacl) {
     deps += [
       #'<(DEPTH)/components/nacl.gyp:nacl_common',  TODO(GYP)
     ]
   }
 
   # Printing.
-  if (printing_mode == 0) {
+  if (!enable_basic_printing && !enable_print_preview) {
     sources -= [
       "print_messages.cc",
       "print_messages.h",
     ]
   } else {
     deps += [ "//printing" ]
-    if (printing_mode == 1) {
+    if (enable_print_preview) {
       # Full printing support.
       sources += rebase_path(
           gypi_values.chrome_common_service_process_sources,
           ".", "//chrome")
     }
   }
 
   if (enable_service_discovery) {
     sources += [
       "local_discovery/service_discovery_client.cc",
@@ skipping 148 matching lines @@
   }
 
   if (enable_extensions) {
     sources += [
       "extensions/extension_test_util.cc",
       "extensions/extension_test_util.h",
     ]
   }
 
 }