Fix printing.gyp by joining two 'conditions' dicts together.

printing/printing.gyp

Index: printing/printing.gyp
diff --git a/printing/printing.gyp b/printing/printing.gyp
index 695870cac0611e7b13d031d57216358fc0a41028..8fc63dc35f4ac61659922df201ae5443712d5f74 100644
--- a/printing/printing.gyp
+++ b/printing/printing.gyp
@@ -167,14 +167,6 @@
                 ],
               },
             }],
-          ],
-          'defines': [
-            # PRINT_BACKEND_AVAILABLE disables the default dummy implementation
-            # of the print backend and enables a custom implementation instead.
-            'PRINT_BACKEND_AVAILABLE',
-          ],
-
-          'conditions': [
             ['chromeos==1', {
               'sources': [
                 'backend/cups_connection.cc',
@@ -196,6 +188,11 @@
               ],
             }],
           ],
+          'defines': [
+            # PRINT_BACKEND_AVAILABLE disables the default dummy implementation
+            # of the print backend and enables a custom implementation instead.
+            'PRINT_BACKEND_AVAILABLE',
+          ],
         }],
         ['OS=="linux" and chromeos==1', {
           'defines': [