PPAPI: Implement PPB_FileMapping on POSIX

ppapi/ppapi_sources.gypi

 # 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': {
     'c_source_files': [
       'c/pp_array_output.h',
       'c/pp_bool.h',
       'c/pp_completion_callback.h',
@@ skipping 11 matching lines @@
       'c/pp_stdint.h',
       'c/pp_time.h',
       'c/pp_touch_point.h',
       'c/pp_var.h',
       'c/ppb.h',
       'c/ppb_audio.h',
       'c/ppb_audio_config.h',
       'c/ppb_console.h',
       'c/ppb_core.h',
       'c/ppb_file_io.h',
+      'c/ppb_file_mapping.h',
       'c/ppb_file_ref.h',
       'c/ppb_file_system.h',
       'c/ppb_fullscreen.h',
       'c/ppb_gamepad.h',
       'c/ppb_graphics_2d.h',
       'c/ppb_graphics_3d.h',
       'c/ppb_host_resolver.h',
       'c/ppb_image_data.h',
       'c/ppb_input_event.h',
       'c/ppb_instance.h',
@@ skipping 376 matching lines @@
       'tests/test_console.cc',
       'tests/test_console.h',
       'tests/test_core.cc',
       'tests/test_core.h',
       'tests/test_cursor_control.cc',
       'tests/test_cursor_control.h',
       'tests/test_empty.cc',
       'tests/test_empty.h',
       'tests/test_file_io.cc',
       'tests/test_file_io.h',
+      'tests/test_file_mapping.cc',
+      'tests/test_file_mapping.h',
       'tests/test_file_ref.cc',
       'tests/test_file_ref.h',
       'tests/test_file_system.cc',
       'tests/test_file_system.h',
       'tests/test_fullscreen.cc',
       'tests/test_fullscreen.h',
       'tests/test_graphics_2d.cc',
       'tests/test_graphics_2d.h',
       'tests/test_graphics_3d.cc',
       'tests/test_graphics_3d.h',
@@ skipping 137 matching lines @@
       'tests/test_x509_certificate_private.h',
 
       # Deprecated test cases.
       'tests/test_instance_deprecated.cc',
       'tests/test_instance_deprecated.h',
       'tests/test_var_deprecated.cc',
       'tests/test_var_deprecated.h',
     ],
   },
 }