Removed unneeded cairo code.

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 32 matching lines @@
         'metafile_impl.h',
         'metafile_skia_wrapper.h',
         'metafile_skia_wrapper.cc',
         'page_number.cc',
         'page_number.h',
         'page_range.cc',
         'page_range.h',
         'page_setup.cc',
         'page_setup.h',
         'page_size_margins.h',
-        'pdf_metafile_cairo_linux.cc',
-        'pdf_metafile_cairo_linux.h',
         'pdf_metafile_cg_mac.cc',
         'pdf_metafile_cg_mac.h',
         'pdf_metafile_skia.h',
         'pdf_metafile_skia.cc',
         'printed_document_cairo.cc',
         'printed_document.cc',
         'printed_document.h',
         'printed_document_mac.cc',
         'printed_document_win.cc',
         'printed_page.cc',
@@ skipping 105 matching lines @@
         '../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_cairo_linux_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$']]}],
         ['OS!="mac"', {'sources/': [['exclude', '_mac_unittest\\.(cc|mm?)$']]}],
         ['OS!="win"', {'sources/': [['exclude', '_win_unittest\\.cc$']]
@@ skipping 38 matching lines @@
                   ],
                 },
               }],
             ],
           },
         }],
       ],
     },
   ],
 }