Get printing working in Aura.

printing/printing.gyp

 # Copyright (c) 2011 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 48 matching lines @@
         'printed_document_cairo.cc',
         'printed_document.cc',
         'printed_document.h',
         'printed_document_mac.cc',
         'printed_document_win.cc',
         'printed_page.cc',
         'printed_page.h',
         'printed_pages_source.h',
         'printing_context.cc',
         'printing_context.h',
-        'printing_context_aura.cc',
-        'printing_context_cairo.cc',
-        'printing_context_cairo.h',
         'printing_context_mac.mm',
         'printing_context_mac.h',
         'printing_context_win.cc',
         'printing_context_win.h',
         'print_dialog_gtk_interface.h',
         'print_job_constants.cc',
         'print_job_constants.h',
         'print_settings.cc',
         'print_settings.h',
         'print_settings_initializer.cc',
@@ skipping 34 matching lines @@
             ['exclude', 'pdf_metafile_skia\\.(cc|h)$'],
             ['exclude', 'metafile_skia_wrapper\\.(cc|h)$'],
           ],
         }],
         ['OS=="win"', {
           'conditions': [
             ['use_aura==1', {
               'sources!': [
                 'image_aura.cc',
                 'printed_document_aura.cc',
-                'printing_context_aura.cc',
               ],
             }],
           ],
           'defines': [
             # PRINT_BACKEND_AVAILABLE disables the default dummy implementation
             # of the print backend and enables a custom implementation instead.
             'PRINT_BACKEND_AVAILABLE',
           ],
           'sources': [
             'backend/win_helper.cc',
             'backend/win_helper.h',
             'backend/print_backend_win.cc',
           ],
         }],
+        ['chromeos==1 or use_aura==1',{
+          'sources': [
+            'printing_context_no_system_dialog.cc',
+            'printing_context_no_system_dialog.h',
+          ],
+        }],
         ['use_cups==1', {
           'dependencies': [
             'cups',
           ],
           'conditions': [
             ['OS!="mac"', {
               'dependencies': [
                 '../build/linux/system.gyp:libgcrypt',
               ],
             }],
@@ skipping 12 matching lines @@
         ['OS=="linux" and chromeos==1', {
           'defines': [
             # PRINT_BACKEND_AVAILABLE disables the default dummy implementation
             # of the print backend and enables a custom implementation instead.
             'PRINT_BACKEND_AVAILABLE',
           ],
           'sources': [
             'backend/print_backend_chromeos.cc',
           ],
         }],
+        ['OS=="linux" and chromeos==0', {
+          'sources': [
+            'printing_context_gtk.cc',
+            'printing_context_gtk.h',
+          ],
+        }],
       ],
     },
     {
       'target_name': 'printing_unittests',
       'type': 'executable',
       'dependencies': [
         'printing',
         '../testing/gtest.gyp:gtest',
         '../base/base.gyp:test_support_base',
         '../ui/ui.gyp:ui',
       ],
       'sources': [
         'emf_win_unittest.cc',
         'printing_test.h',
         'page_number_unittest.cc',
         'page_range_unittest.cc',
         'page_setup_unittest.cc',
         'pdf_metafile_cg_mac_unittest.cc',
         'printed_page_unittest.cc',
         'printing_context_win_unittest.cc',
         'run_all_unittests.cc',
         'units_unittest.cc',
       ],
       'conditions': [
-        ['toolkit_uses_gtk == 0', {'sources/': [['exclude', '_cairo_unittest\\.cc$']]}],
+        ['toolkit_uses_gtk == 0', {'sources/': [['exclude', '_gtk_unittest\\.cc$']]}],
         ['OS!="mac"', {'sources/': [['exclude', '_mac_unittest\\.(cc|mm?)$']]}],
-        ['OS!="win"', {'sources/': [['exclude', '_win_unittest\\.cc$']]
-          }, {  # else: OS=="win"
-            'sources/': [['exclude', '_cairo_unittest\\.cc$']]
-          }
-        ],
+        ['OS!="win"', {'sources/': [['exclude', '_win_unittest\\.cc$']]}],
         ['toolkit_uses_gtk == 1', {
           'dependencies': [
             '../build/linux/system.gyp:gtk',
           ],
           'conditions': [
             ['linux_use_tcmalloc == 1', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
@@ skipping 29 matching lines @@
                   '<!@(python cups_config_helper.py --cflags)',
                 ],
               }],
             ],
           },
         }],
       ],
     },
   ],
 }