Fix typo in printing.gyp

chrome/chrome.gyp

Index: chrome/chrome.gyp
diff --git a/chrome/chrome.gyp b/chrome/chrome.gyp
index 8a05ac8567428d0bb4dcc1061e4e5770a26030c3..0c8a2ccb652e22eab648390d07b86e4865882a40 100644
--- a/chrome/chrome.gyp
+++ b/chrome/chrome.gyp
@@ -707,7 +707,7 @@
             '..',
           ],
           'conditions': [
-            ['use_cups==1 and OS!="chromeos"', {
+            ['use_cups==1 and chromeos==0', {
               'dependencies': [
                 '../printing/printing.gyp:cups',
               ],
@@ -715,17 +715,17 @@
                 'service/cloud_print/print_system_cups.cc',
               ],
             }],
-            ['OS!="win" and use_cups!=1', {
-              'sources': [
-                'service/cloud_print/print_system_dummy.cc',
-              ],
-            }],
             ['OS=="win"', {
               'sources': [
                 'service/service_utility_process_host.cc',
                 'service/service_utility_process_host.h',
               ],
             }],
+            ['use_cups!=1 or chromeos==1', {
+              'sources': [
+                'service/cloud_print/print_system_dummy.cc',
+              ],
+            }],
           ],
         },
       ],