Created a new BrowserMessageFilter to handle print related IPC messages.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 1758 matching lines @@
         'browser/printing/cloud_print/cloud_print_setup_message_handler.cc',
         'browser/printing/cloud_print/cloud_print_setup_message_handler.h',
         'browser/printing/cloud_print/cloud_print_setup_source.cc',
         'browser/printing/cloud_print/cloud_print_setup_source.h',
         'browser/printing/cloud_print/cloud_print_url.cc',
         'browser/printing/cloud_print/cloud_print_url.h',
         'browser/printing/print_dialog_cloud.cc',
         'browser/printing/print_dialog_cloud.h',
         'browser/printing/print_dialog_gtk.cc',
         'browser/printing/print_dialog_gtk.h',
+        'browser/printing/printing_message_filter.cc',

[Lei Zhang, 2011/02/23 06:18:50]

nit: alphabetical order - this goes after printer_query.*

[kmadhusu, 2011/02/23 17:31:53]

Done.

+        'browser/printing/printing_message_filter.h',
         'browser/printing/print_job.cc',
         'browser/printing/print_job.h',
         'browser/printing/print_job_manager.cc',
         'browser/printing/print_job_manager.h',
         'browser/printing/print_job_worker.cc',
         'browser/printing/print_job_worker.h',
         'browser/printing/print_job_worker_owner.h',
         'browser/printing/print_preview_message_handler.cc',
         'browser/printing/print_preview_message_handler.h',
         'browser/printing/print_preview_tab_controller.cc',
@@ skipping 2741 matching lines @@
       ],
     },
   ],
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: