Decouple IsMetroProcess() calls, introducing IsSingleWindowMetroMode().

printing/printing.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,
   },
   'targets': [
     {
@@ skipping 114 matching lines @@
             'printing_context_mac.h',
           ],
         }],
         ['OS=="mac" and use_aura==0',{
           'sources': [
             'printing_context_mac.mm',
             'printing_context_mac.h',
           ],
         }],
         ['OS=="win"', {
+          'dependencies': [
+            '../win8/win8.gyp:win8_util',
+          ],
           'conditions': [
             ['use_aura==0', {
               'sources': [
                 'printing_context_win.cc',
                 'printing_context_win.h',
               ],
           }]],
           'defines': [
             # PRINT_BACKEND_AVAILABLE disables the default dummy implementation
             # of the print backend and enables a custom implementation instead.
@@ skipping 142 matching lines @@
                   '<!@(python cups_config_helper.py --cflags)',
                 ],
               }],
             ],
           },
         }],
       ],
     },
   ],
 }