Printing: Remove unused PageOverlay since header/footers are drawn in PrintWebViewHelper.

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 24 matching lines @@
         'image_cairo.cc',
         'image_mac.cc',
         'image_win.cc',
         'image.h',
         'metafile.h',
         'metafile_impl.h',
         'metafile_skia_wrapper.h',
         'metafile_skia_wrapper.cc',
         'page_number.cc',
         'page_number.h',
-        'page_overlays.cc',
-        'page_overlays.h',
         'page_range.cc',
         'page_range.h',
         'page_setup.cc',
         'page_setup.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_posix.cc',
         'printed_document_win.cc',
         'printed_page.cc',
         'printed_page.h',
         'printed_pages_source.h',
         'printing_context.cc',
         'printing_context.h',
         'printing_context_cairo.cc',
         'printing_context_cairo.h',
         'printing_context_mac.mm',
         'printing_context_mac.h',
@@ skipping 92 matching lines @@
       'type': 'executable',
       'dependencies': [
         'printing',
         '../testing/gtest.gyp:gtest',
         '../base/base.gyp:test_support_base',
       ],
       'sources': [
         'emf_win_unittest.cc',
         'printing_test.h',
         'page_number_unittest.cc',
-        'page_overlays_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': [
@@ skipping 41 matching lines @@
                   ],
                 },
               }],
             ],
           },
         }],
       ],
     },
   ],
 }